Home / 91,727,474.40-137,591,211.60-84,712,453.20

Finding the Fourth Proportional to 91,727,474.40, 137,591,211.60 and 84,712,453.20

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Solution

The fourth proportional to 91,727,474.40, 137,591,211.60 and 84,712,453.20 is: 127,068,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727,474.40 : 137,591,211.60 = 84,712,453.20 : x
  2. Step 2: Convert to fraction form
    91,727,474.40/137,591,211.60 = 84,712,453.20/x
  3. Step 3: Cross multiply
    91,727,474.40x = 137,591,211.60 × 84,712,453.20
  4. Step 4: Simplify right side
    91,727,474.40x = 11,655,689,073,396,298
  5. Step 5: Solve for x
    x = 11,655,689,073,396,298/91,727,474.40
  6. Step 6: Final answer
    x = 127,068,679.80

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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.