Home / 137,712,906.30-206,569,359.45-119,776,772.55

Finding the Fourth Proportional to 137,712,906.30, 206,569,359.45 and 119,776,772.55

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Solution

The fourth proportional to 137,712,906.30, 206,569,359.45 and 119,776,772.55 is: 179,665,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,712,906.30 : 206,569,359.45 = 119,776,772.55 : x
  2. Step 2: Convert to fraction form
    137,712,906.30/206,569,359.45 = 119,776,772.55/x
  3. Step 3: Cross multiply
    137,712,906.30x = 206,569,359.45 × 119,776,772.55
  4. Step 4: Simplify right side
    137,712,906.30x = 24,742,211,182,641,840
  5. Step 5: Solve for x
    x = 24,742,211,182,641,840/137,712,906.30
  6. Step 6: Final answer
    x = 179,665,158.83

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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.