Finding the Fourth Proportional to 71,337,610.20, 107,006,415.30 and 46,678,747.80
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Solution
The fourth proportional to 71,337,610.20, 107,006,415.30 and 46,678,747.80 is: 70,018,121.70
Step by Step Solution
- Step 1: Write the proportion equation
71,337,610.20 : 107,006,415.30 = 46,678,747.80 : x - Step 2: Convert to fraction form
71,337,610.20/107,006,415.30 = 46,678,747.80/x - Step 3: Cross multiply
71,337,610.20x = 107,006,415.30 × 46,678,747.80 - Step 4: Simplify right side
71,337,610.20x = 4,994,925,472,770,761 - Step 5: Solve for x
x = 4,994,925,472,770,761/71,337,610.20 - Step 6: Final answer
x = 70,018,121.70
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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.