Finding the Fourth Proportional to 61,534,591.14, 84,943,882.80 and 38,341,177.50
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Solution
The fourth proportional to 61,534,591.14, 84,943,882.80 and 38,341,177.50 is: 52,927,116.73
Step by Step Solution
- Step 1: Write the proportion equation
61,534,591.14 : 84,943,882.80 = 38,341,177.50 : x - Step 2: Convert to fraction form
61,534,591.14/84,943,882.80 = 38,341,177.50/x - Step 3: Cross multiply
61,534,591.14x = 84,943,882.80 × 38,341,177.50 - Step 4: Simplify right side
61,534,591.14x = 3,256,848,487,973,997 - Step 5: Solve for x
x = 3,256,848,487,973,997/61,534,591.14 - Step 6: Final answer
x = 52,927,116.73
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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.