Finding the Fourth Proportional to 71,614,872.38, 107,208,195.87 and 43,861,402.95
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Solution
The fourth proportional to 71,614,872.38, 107,208,195.87 and 43,861,402.95 is: 65,660,968.50
Step by Step Solution
- Step 1: Write the proportion equation
71,614,872.38 : 107,208,195.87 = 43,861,402.95 : x - Step 2: Convert to fraction form
71,614,872.38/107,208,195.87 = 43,861,402.95/x - Step 3: Cross multiply
71,614,872.38x = 107,208,195.87 × 43,861,402.95 - Step 4: Simplify right side
71,614,872.38x = 4,702,301,878,962,092 - Step 5: Solve for x
x = 4,702,301,878,962,092/71,614,872.38 - Step 6: Final answer
x = 65,660,968.50
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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.