Finding the Fourth Proportional to 69,331,737.81, 95,676,620.52 and 38,391,242.79
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Solution
The fourth proportional to 69,331,737.81, 95,676,620.52 and 38,391,242.79 is: 52,979,262.94
Step by Step Solution
- Step 1: Write the proportion equation
69,331,737.81 : 95,676,620.52 = 38,391,242.79 : x - Step 2: Convert to fraction form
69,331,737.81/95,676,620.52 = 38,391,242.79/x - Step 3: Cross multiply
69,331,737.81x = 95,676,620.52 × 38,391,242.79 - Step 4: Simplify right side
69,331,737.81x = 3,673,144,367,710,016 - Step 5: Solve for x
x = 3,673,144,367,710,016/69,331,737.81 - Step 6: Final answer
x = 52,979,262.94
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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.