Home / 80,091,331.28-120,130,729.86-22,581,279.44

Finding the Fourth Proportional to 80,091,331.28, 120,130,729.86 and 22,581,279.44

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Solution

The fourth proportional to 80,091,331.28, 120,130,729.86 and 22,581,279.44 is: 33,870,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,091,331.28 : 120,130,729.86 = 22,581,279.44 : x
  2. Step 2: Convert to fraction form
    80,091,331.28/120,130,729.86 = 22,581,279.44/x
  3. Step 3: Cross multiply
    80,091,331.28x = 120,130,729.86 × 22,581,279.44
  4. Step 4: Simplify right side
    80,091,331.28x = 2,712,705,580,299,812
  5. Step 5: Solve for x
    x = 2,712,705,580,299,812/80,091,331.28
  6. Step 6: Final answer
    x = 33,870,152.20

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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.