Home / 239,565,758.85-330,601,743.45-129,557,471.85

Finding the Fourth Proportional to 239,565,758.85, 330,601,743.45 and 129,557,471.85

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Solution

The fourth proportional to 239,565,758.85, 330,601,743.45 and 129,557,471.85 is: 178,789,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,565,758.85 : 330,601,743.45 = 129,557,471.85 : x
  2. Step 2: Convert to fraction form
    239,565,758.85/330,601,743.45 = 129,557,471.85/x
  3. Step 3: Cross multiply
    239,565,758.85x = 330,601,743.45 × 129,557,471.85
  4. Step 4: Simplify right side
    239,565,758.85x = 42,831,926,070,584,296
  5. Step 5: Solve for x
    x = 42,831,926,070,584,296/239,565,758.85
  6. Step 6: Final answer
    x = 178,789,849.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.