Home / 137,344,139.40-206,016,209.10-100,754,426.55

Finding the Fourth Proportional to 137,344,139.40, 206,016,209.10 and 100,754,426.55

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Solution

The fourth proportional to 137,344,139.40, 206,016,209.10 and 100,754,426.55 is: 151,131,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,344,139.40 : 206,016,209.10 = 100,754,426.55 : x
  2. Step 2: Convert to fraction form
    137,344,139.40/206,016,209.10 = 100,754,426.55/x
  3. Step 3: Cross multiply
    137,344,139.40x = 206,016,209.10 × 100,754,426.55
  4. Step 4: Simplify right side
    137,344,139.40x = 20,757,045,007,875,392
  5. Step 5: Solve for x
    x = 20,757,045,007,875,392/137,344,139.40
  6. Step 6: Final answer
    x = 151,131,639.83

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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.