Home / 168,505,398.45-252,758,097.68-137,894,396.85

Finding the Fourth Proportional to 168,505,398.45, 252,758,097.68 and 137,894,396.85

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Solution

The fourth proportional to 168,505,398.45, 252,758,097.68 and 137,894,396.85 is: 206,841,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,505,398.45 : 252,758,097.68 = 137,894,396.85 : x
  2. Step 2: Convert to fraction form
    168,505,398.45/252,758,097.68 = 137,894,396.85/x
  3. Step 3: Cross multiply
    168,505,398.45x = 252,758,097.68 × 137,894,396.85
  4. Step 4: Simplify right side
    168,505,398.45x = 34,853,925,427,847,512
  5. Step 5: Solve for x
    x = 34,853,925,427,847,512/168,505,398.45
  6. Step 6: Final answer
    x = 206,841,595.28

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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.