Home / 132,857,712.60-199,286,568.90-75,526,819.80

Finding the Fourth Proportional to 132,857,712.60, 199,286,568.90 and 75,526,819.80

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Solution

The fourth proportional to 132,857,712.60, 199,286,568.90 and 75,526,819.80 is: 113,290,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,712.60 : 199,286,568.90 = 75,526,819.80 : x
  2. Step 2: Convert to fraction form
    132,857,712.60/199,286,568.90 = 75,526,819.80/x
  3. Step 3: Cross multiply
    132,857,712.60x = 199,286,568.90 × 75,526,819.80
  4. Step 4: Simplify right side
    132,857,712.60x = 15,051,480,777,870,584
  5. Step 5: Solve for x
    x = 15,051,480,777,870,584/132,857,712.60
  6. Step 6: Final answer
    x = 113,290,229.70

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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.