Finding the Fourth Proportional to 69,676,614.15, 96,159,854.93 and 38,320,188.09
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Solution
The fourth proportional to 69,676,614.15, 96,159,854.93 and 38,320,188.09 is: 52,885,229.46
Step by Step Solution
- Step 1: Write the proportion equation
69,676,614.15 : 96,159,854.93 = 38,320,188.09 : x - Step 2: Convert to fraction form
69,676,614.15/96,159,854.93 = 38,320,188.09/x - Step 3: Cross multiply
69,676,614.15x = 96,159,854.93 × 38,320,188.09 - Step 4: Simplify right side
69,676,614.15x = 3,684,863,727,433,113 - Step 5: Solve for x
x = 3,684,863,727,433,113/69,676,614.15 - Step 6: Final answer
x = 52,885,229.46
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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.