Home / 87,467,799.39-131,202,189.52-29,175,317.40

Finding the Fourth Proportional to 87,467,799.39, 131,202,189.52 and 29,175,317.40

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Solution

The fourth proportional to 87,467,799.39, 131,202,189.52 and 29,175,317.40 is: 43,763,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,467,799.39 : 131,202,189.52 = 29,175,317.40 : x
  2. Step 2: Convert to fraction form
    87,467,799.39/131,202,189.52 = 29,175,317.40/x
  3. Step 3: Cross multiply
    87,467,799.39x = 131,202,189.52 × 29,175,317.40
  4. Step 4: Simplify right side
    87,467,799.39x = 3,827,865,522,365,414
  5. Step 5: Solve for x
    x = 3,827,865,522,365,414/87,467,799.39
  6. Step 6: Final answer
    x = 43,763,139.68

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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.