Finding the Fourth Proportional to 71,567,192.80, 107,350,789.20 and 60,481,727.20
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Solution
The fourth proportional to 71,567,192.80, 107,350,789.20 and 60,481,727.20 is: 90,722,590.80
Step by Step Solution
- Step 1: Write the proportion equation
71,567,192.80 : 107,350,789.20 = 60,481,727.20 : x - Step 2: Convert to fraction form
71,567,192.80/107,350,789.20 = 60,481,727.20/x - Step 3: Cross multiply
71,567,192.80x = 107,350,789.20 × 60,481,727.20 - Step 4: Simplify right side
71,567,192.80x = 6,492,761,147,099,107 - Step 5: Solve for x
x = 6,492,761,147,099,107/71,567,192.80 - Step 6: Final answer
x = 90,722,590.80
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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.