Finding the Fourth Proportional to 62,176,163.20, 93,264,244.80 and 49,187,132.80
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Solution
The fourth proportional to 62,176,163.20, 93,264,244.80 and 49,187,132.80 is: 73,780,699.20
Step by Step Solution
- Step 1: Write the proportion equation
62,176,163.20 : 93,264,244.80 = 49,187,132.80 : x - Step 2: Convert to fraction form
62,176,163.20/93,264,244.80 = 49,187,132.80/x - Step 3: Cross multiply
62,176,163.20x = 93,264,244.80 × 49,187,132.80 - Step 4: Simplify right side
62,176,163.20x = 4,587,400,794,469,309 - Step 5: Solve for x
x = 4,587,400,794,469,309/62,176,163.20 - Step 6: Final answer
x = 73,780,699.20
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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.