Home / 129,461,229.60-194,191,844.40-116,472,199.20

Finding the Fourth Proportional to 129,461,229.60, 194,191,844.40 and 116,472,199.20

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Solution

The fourth proportional to 129,461,229.60, 194,191,844.40 and 116,472,199.20 is: 174,708,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,461,229.60 : 194,191,844.40 = 116,472,199.20 : x
  2. Step 2: Convert to fraction form
    129,461,229.60/194,191,844.40 = 116,472,199.20/x
  3. Step 3: Cross multiply
    129,461,229.60x = 194,191,844.40 × 116,472,199.20
  4. Step 4: Simplify right side
    129,461,229.60x = 22,617,951,183,972,204
  5. Step 5: Solve for x
    x = 22,617,951,183,972,204/129,461,229.60
  6. Step 6: Final answer
    x = 174,708,298.80

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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.