Home / 99,659,261.10-149,488,891.65-98,987,414.70

Finding the Fourth Proportional to 99,659,261.10, 149,488,891.65 and 98,987,414.70

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Solution

The fourth proportional to 99,659,261.10, 149,488,891.65 and 98,987,414.70 is: 148,481,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,659,261.10 : 149,488,891.65 = 98,987,414.70 : x
  2. Step 2: Convert to fraction form
    99,659,261.10/149,488,891.65 = 98,987,414.70/x
  3. Step 3: Cross multiply
    99,659,261.10x = 149,488,891.65 × 98,987,414.70
  4. Step 4: Simplify right side
    99,659,261.10x = 14,797,518,910,801,918
  5. Step 5: Solve for x
    x = 14,797,518,910,801,918/99,659,261.10
  6. Step 6: Final answer
    x = 148,481,122.05

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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.