Home / 132,857,709.60-199,286,564.40-75,526,816.80

Finding the Fourth Proportional to 132,857,709.60, 199,286,564.40 and 75,526,816.80

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Solution

The fourth proportional to 132,857,709.60, 199,286,564.40 and 75,526,816.80 is: 113,290,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,709.60 : 199,286,564.40 = 75,526,816.80 : x
  2. Step 2: Convert to fraction form
    132,857,709.60/199,286,564.40 = 75,526,816.80/x
  3. Step 3: Cross multiply
    132,857,709.60x = 199,286,564.40 × 75,526,816.80
  4. Step 4: Simplify right side
    132,857,709.60x = 15,051,479,840,140,202
  5. Step 5: Solve for x
    x = 15,051,479,840,140,202/132,857,709.60
  6. Step 6: Final answer
    x = 113,290,225.20

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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.