Home / 135,612,964.60-203,419,446.90-89,696,462.20

Finding the Fourth Proportional to 135,612,964.60, 203,419,446.90 and 89,696,462.20

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Solution

The fourth proportional to 135,612,964.60, 203,419,446.90 and 89,696,462.20 is: 134,544,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,612,964.60 : 203,419,446.90 = 89,696,462.20 : x
  2. Step 2: Convert to fraction form
    135,612,964.60/203,419,446.90 = 89,696,462.20/x
  3. Step 3: Cross multiply
    135,612,964.60x = 203,419,446.90 × 89,696,462.20
  4. Step 4: Simplify right side
    135,612,964.60x = 18,246,004,729,610,760
  5. Step 5: Solve for x
    x = 18,246,004,729,610,760/135,612,964.60
  6. Step 6: Final answer
    x = 134,544,693.30

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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.