Finding the Fourth Proportional to 62,331,962.40, 93,497,943.60 and 39,373,711.20
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Solution
The fourth proportional to 62,331,962.40, 93,497,943.60 and 39,373,711.20 is: 59,060,566.80
Step by Step Solution
- Step 1: Write the proportion equation
62,331,962.40 : 93,497,943.60 = 39,373,711.20 : x - Step 2: Convert to fraction form
62,331,962.40/93,497,943.60 = 39,373,711.20/x - Step 3: Cross multiply
62,331,962.40x = 93,497,943.60 × 39,373,711.20 - Step 4: Simplify right side
62,331,962.40x = 3,681,361,029,100,288.50 - Step 5: Solve for x
x = 3,681,361,029,100,288.50/62,331,962.40 - Step 6: Final answer
x = 59,060,566.80
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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.