Finding the Fourth Proportional to 81,082,748.52, 121,639,770.75 and 26,480,654.90
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Solution
The fourth proportional to 81,082,748.52, 121,639,770.75 and 26,480,654.90 is: 39,726,092.79
Step by Step Solution
- Step 1: Write the proportion equation
81,082,748.52 : 121,639,770.75 = 26,480,654.90 : x - Step 2: Convert to fraction form
81,082,748.52/121,639,770.75 = 26,480,654.90/x - Step 3: Cross multiply
81,082,748.52x = 121,639,770.75 × 26,480,654.90 - Step 4: Simplify right side
81,082,748.52x = 3,221,100,791,293,117 - Step 5: Solve for x
x = 3,221,100,791,293,117/81,082,748.52 - Step 6: Final answer
x = 39,726,092.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.