Home / 91,727,458.10-137,591,187.15-74,508,769.70

Finding the Fourth Proportional to 91,727,458.10, 137,591,187.15 and 74,508,769.70

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Solution

The fourth proportional to 91,727,458.10, 137,591,187.15 and 74,508,769.70 is: 111,763,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727,458.10 : 137,591,187.15 = 74,508,769.70 : x
  2. Step 2: Convert to fraction form
    91,727,458.10/137,591,187.15 = 74,508,769.70/x
  3. Step 3: Cross multiply
    91,727,458.10x = 137,591,187.15 × 74,508,769.70
  4. Step 4: Simplify right side
    91,727,458.10x = 10,251,750,076,108,950
  5. Step 5: Solve for x
    x = 10,251,750,076,108,950/91,727,458.10
  6. Step 6: Final answer
    x = 111,763,154.55

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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.