Home / 161,765,301.60-242,647,952.40-75,512,427.30

Finding the Fourth Proportional to 161,765,301.60, 242,647,952.40 and 75,512,427.30

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Solution

The fourth proportional to 161,765,301.60, 242,647,952.40 and 75,512,427.30 is: 113,268,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,765,301.60 : 242,647,952.40 = 75,512,427.30 : x
  2. Step 2: Convert to fraction form
    161,765,301.60/242,647,952.40 = 75,512,427.30/x
  3. Step 3: Cross multiply
    161,765,301.60x = 242,647,952.40 × 75,512,427.30
  4. Step 4: Simplify right side
    161,765,301.60x = 18,322,935,865,098,860
  5. Step 5: Solve for x
    x = 18,322,935,865,098,860/161,765,301.60
  6. Step 6: Final answer
    x = 113,268,640.95

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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.