Finding the Fourth Proportional to 71,337,607.20, 107,006,410.80 and 46,678,744.80
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Solution
The fourth proportional to 71,337,607.20, 107,006,410.80 and 46,678,744.80 is: 70,018,117.20
Step by Step Solution
- Step 1: Write the proportion equation
71,337,607.20 : 107,006,410.80 = 46,678,744.80 : x - Step 2: Convert to fraction form
71,337,607.20/107,006,410.80 = 46,678,744.80/x - Step 3: Cross multiply
71,337,607.20x = 107,006,410.80 × 46,678,744.80 - Step 4: Simplify right side
71,337,607.20x = 4,994,924,941,697,163 - Step 5: Solve for x
x = 4,994,924,941,697,163/71,337,607.20 - Step 6: Final answer
x = 70,018,117.20
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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.