Home / 268,099,595.52-402,149,414.61-86,346,773.52

Finding the Fourth Proportional to 268,099,595.52, 402,149,414.61 and 86,346,773.52

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Solution

The fourth proportional to 268,099,595.52, 402,149,414.61 and 86,346,773.52 is: 129,520,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,099,595.52 : 402,149,414.61 = 86,346,773.52 : x
  2. Step 2: Convert to fraction form
    268,099,595.52/402,149,414.61 = 86,346,773.52/x
  3. Step 3: Cross multiply
    268,099,595.52x = 402,149,414.61 × 86,346,773.52
  4. Step 4: Simplify right side
    268,099,595.52x = 34,724,304,424,530,248
  5. Step 5: Solve for x
    x = 34,724,304,424,530,248/268,099,595.52
  6. Step 6: Final answer
    x = 129,520,167.15

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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.