Finding the Fourth Proportional to 71,177,489.20, 106,766,233.80 and 32,913,737.20
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Solution
The fourth proportional to 71,177,489.20, 106,766,233.80 and 32,913,737.20 is: 49,370,605.80
Step by Step Solution
- Step 1: Write the proportion equation
71,177,489.20 : 106,766,233.80 = 32,913,737.20 : x - Step 2: Convert to fraction form
71,177,489.20/106,766,233.80 = 32,913,737.20/x - Step 3: Cross multiply
71,177,489.20x = 106,766,233.80 × 32,913,737.20 - Step 4: Simplify right side
71,177,489.20x = 3,514,075,761,126,957 - Step 5: Solve for x
x = 3,514,075,761,126,957/71,177,489.20 - Step 6: Final answer
x = 49,370,605.80
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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.