Finding the Fourth Proportional to 62,207,998.20, 93,311,997.30 and 49,218,967.80
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Solution
The fourth proportional to 62,207,998.20, 93,311,997.30 and 49,218,967.80 is: 73,828,451.70
Step by Step Solution
- Step 1: Write the proportion equation
62,207,998.20 : 93,311,997.30 = 49,218,967.80 : x - Step 2: Convert to fraction form
62,207,998.20/93,311,997.30 = 49,218,967.80/x - Step 3: Cross multiply
62,207,998.20x = 93,311,997.30 × 49,218,967.80 - Step 4: Simplify right side
62,207,998.20x = 4,592,720,190,462,387 - Step 5: Solve for x
x = 4,592,720,190,462,387/62,207,998.20 - Step 6: Final answer
x = 73,828,451.70
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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.