Finding the Fourth Proportional to 71,567,187.30, 107,350,780.95 and 60,481,721.70
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Solution
The fourth proportional to 71,567,187.30, 107,350,780.95 and 60,481,721.70 is: 90,722,582.55
Step by Step Solution
- Step 1: Write the proportion equation
71,567,187.30 : 107,350,780.95 = 60,481,721.70 : x - Step 2: Convert to fraction form
71,567,187.30/107,350,780.95 = 60,481,721.70/x - Step 3: Cross multiply
71,567,187.30x = 107,350,780.95 × 60,481,721.70 - Step 4: Simplify right side
71,567,187.30x = 6,492,760,057,695,562 - Step 5: Solve for x
x = 6,492,760,057,695,562/71,567,187.30 - Step 6: Final answer
x = 90,722,582.55
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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.