Home / 220,829,697.40-331,244,546.10-75,427,439.80

Finding the Fourth Proportional to 220,829,697.40, 331,244,546.10 and 75,427,439.80

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Solution

The fourth proportional to 220,829,697.40, 331,244,546.10 and 75,427,439.80 is: 113,141,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,829,697.40 : 331,244,546.10 = 75,427,439.80 : x
  2. Step 2: Convert to fraction form
    220,829,697.40/331,244,546.10 = 75,427,439.80/x
  3. Step 3: Cross multiply
    220,829,697.40x = 331,244,546.10 × 75,427,439.80
  4. Step 4: Simplify right side
    220,829,697.40x = 24,984,928,060,036,076
  5. Step 5: Solve for x
    x = 24,984,928,060,036,076/220,829,697.40
  6. Step 6: Final answer
    x = 113,141,159.70

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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.