Finding the Fourth Proportional to 281,026,646.01, 387,857,357.12 and 161,926,436.41
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Solution
The fourth proportional to 281,026,646.01, 387,857,357.12 and 161,926,436.41 is: 223,481,867.52
Step by Step Solution
- Step 1: Write the proportion equation
281,026,646.01 : 387,857,357.12 = 161,926,436.41 : x - Step 2: Convert to fraction form
281,026,646.01/387,857,357.12 = 161,926,436.41/x - Step 3: Cross multiply
281,026,646.01x = 387,857,357.12 × 161,926,436.41 - Step 4: Simplify right side
281,026,646.01x = 62,804,359,673,277,512 - Step 5: Solve for x
x = 62,804,359,673,277,512/281,026,646.01 - Step 6: Final answer
x = 223,481,867.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.