Home / 99,645,366.30-149,468,049.45-90,557,725.20

Finding the Fourth Proportional to 99,645,366.30, 149,468,049.45 and 90,557,725.20

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Solution

The fourth proportional to 99,645,366.30, 149,468,049.45 and 90,557,725.20 is: 135,836,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,366.30 : 149,468,049.45 = 90,557,725.20 : x
  2. Step 2: Convert to fraction form
    99,645,366.30/149,468,049.45 = 90,557,725.20/x
  3. Step 3: Cross multiply
    99,645,366.30x = 149,468,049.45 × 90,557,725.20
  4. Step 4: Simplify right side
    99,645,366.30x = 13,535,486,548,273,110
  5. Step 5: Solve for x
    x = 13,535,486,548,273,110/99,645,366.30
  6. Step 6: Final answer
    x = 135,836,587.80

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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.