Home / 87,399,200.70-131,098,801.05-30,665,504.70

Finding the Fourth Proportional to 87,399,200.70, 131,098,801.05 and 30,665,504.70

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Solution

The fourth proportional to 87,399,200.70, 131,098,801.05 and 30,665,504.70 is: 45,998,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,200.70 : 131,098,801.05 = 30,665,504.70 : x
  2. Step 2: Convert to fraction form
    87,399,200.70/131,098,801.05 = 30,665,504.70/x
  3. Step 3: Cross multiply
    87,399,200.70x = 131,098,801.05 × 30,665,504.70
  4. Step 4: Simplify right side
    87,399,200.70x = 4,020,210,899,763,139.50
  5. Step 5: Solve for x
    x = 4,020,210,899,763,139.50/87,399,200.70
  6. Step 6: Final answer
    x = 45,998,257.05

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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.