Home / 442,613,150.10-663,919,725.15-135,865,404.90

Finding the Fourth Proportional to 442,613,150.10, 663,919,725.15 and 135,865,404.90

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Solution

The fourth proportional to 442,613,150.10, 663,919,725.15 and 135,865,404.90 is: 203,798,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,613,150.10 : 663,919,725.15 = 135,865,404.90 : x
  2. Step 2: Convert to fraction form
    442,613,150.10/663,919,725.15 = 135,865,404.90/x
  3. Step 3: Cross multiply
    442,613,150.10x = 663,919,725.15 × 135,865,404.90
  4. Step 4: Simplify right side
    442,613,150.10x = 90,203,722,278,601,456
  5. Step 5: Solve for x
    x = 90,203,722,278,601,456/442,613,150.10
  6. Step 6: Final answer
    x = 203,798,107.35

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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.