Home / 87,761,781.40-131,642,672.10-44,715,060.40

Finding the Fourth Proportional to 87,761,781.40, 131,642,672.10 and 44,715,060.40

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Solution

The fourth proportional to 87,761,781.40, 131,642,672.10 and 44,715,060.40 is: 67,072,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,761,781.40 : 131,642,672.10 = 44,715,060.40 : x
  2. Step 2: Convert to fraction form
    87,761,781.40/131,642,672.10 = 44,715,060.40/x
  3. Step 3: Cross multiply
    87,761,781.40x = 131,642,672.10 × 44,715,060.40
  4. Step 4: Simplify right side
    87,761,781.40x = 5,886,410,034,168,894
  5. Step 5: Solve for x
    x = 5,886,410,034,168,894/87,761,781.40
  6. Step 6: Final answer
    x = 67,072,590.60

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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.