Home / 87,432,012.20-131,231,999.10-44,349,861.80

Finding the Fourth Proportional to 87,432,012.20, 131,231,999.10 and 44,349,861.80

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Solution

The fourth proportional to 87,432,012.20, 131,231,999.10 and 44,349,861.80 is: 66,567,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,432,012.20 : 131,231,999.10 = 44,349,861.80 : x
  2. Step 2: Convert to fraction form
    87,432,012.20/131,231,999.10 = 44,349,861.80/x
  3. Step 3: Cross multiply
    87,432,012.20x = 131,231,999.10 × 44,349,861.80
  4. Step 4: Simplify right side
    87,432,012.20x = 5,820,121,023,822,724
  5. Step 5: Solve for x
    x = 5,820,121,023,822,724/87,432,012.20
  6. Step 6: Final answer
    x = 66,567,391.94

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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.