Home / 91,727,455.10-137,591,182.65-74,508,766.70

Finding the Fourth Proportional to 91,727,455.10, 137,591,182.65 and 74,508,766.70

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Solution

The fourth proportional to 91,727,455.10, 137,591,182.65 and 74,508,766.70 is: 111,763,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727,455.10 : 137,591,182.65 = 74,508,766.70 : x
  2. Step 2: Convert to fraction form
    91,727,455.10/137,591,182.65 = 74,508,766.70/x
  3. Step 3: Cross multiply
    91,727,455.10x = 137,591,182.65 × 74,508,766.70
  4. Step 4: Simplify right side
    91,727,455.10x = 10,251,749,328,045,938
  5. Step 5: Solve for x
    x = 10,251,749,328,045,938/91,727,455.10
  6. Step 6: Final answer
    x = 111,763,150.05

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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.