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Solution for .0004 is what percent of 81:

.0004:81*100 =

(.0004*100):81 =

0.04:81 = 0.00049382716049383

Now we have: .0004 is what percent of 81 = 0.00049382716049383

Question: .0004 is what percent of 81?

Percentage solution with steps:

Step 1: We make the assumption that 81 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={81}.

Step 4: In the same vein, {x\%}={.0004}.

Step 5: This gives us a pair of simple equations:

{100\%}={81}(1).

{x\%}={.0004}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{81}{.0004}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{.0004}{81}

\Rightarrow{x} = {0.00049382716049383\%}

Therefore, {.0004} is {0.00049382716049383\%} of {81}.

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Solution for 81 is what percent of .0004:

81:.0004*100 =

(81*100):.0004 =

8100:.0004 = 20250000

Now we have: 81 is what percent of .0004 = 20250000

Question: 81 is what percent of .0004?

Percentage solution with steps:

Step 1: We make the assumption that .0004 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={.0004}.

Step 4: In the same vein, {x\%}={81}.

Step 5: This gives us a pair of simple equations:

{100\%}={.0004}(1).

{x\%}={81}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{.0004}{81}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{81}{.0004}

\Rightarrow{x} = {20250000\%}

Therefore, {81} is {20250000\%} of {.0004}.