Home / 137,028,952.38-205,555,507.10-38,661,520.65

Finding the Fourth Proportional to 137,028,952.38, 205,555,507.10 and 38,661,520.65

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Solution

The fourth proportional to 137,028,952.38, 205,555,507.10 and 38,661,520.65 is: 57,995,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,028,952.38 : 205,555,507.10 = 38,661,520.65 : x
  2. Step 2: Convert to fraction form
    137,028,952.38/205,555,507.10 = 38,661,520.65/x
  3. Step 3: Cross multiply
    137,028,952.38x = 205,555,507.10 × 38,661,520.65
  4. Step 4: Simplify right side
    137,028,952.38x = 7,947,088,482,274,564
  5. Step 5: Solve for x
    x = 7,947,088,482,274,564/137,028,952.38
  6. Step 6: Final answer
    x = 57,995,688.83

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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.