Home / 132,857,874.60-199,286,811.90-122,654,207.40

Finding the Fourth Proportional to 132,857,874.60, 199,286,811.90 and 122,654,207.40

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Solution

The fourth proportional to 132,857,874.60, 199,286,811.90 and 122,654,207.40 is: 183,981,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,874.60 : 199,286,811.90 = 122,654,207.40 : x
  2. Step 2: Convert to fraction form
    132,857,874.60/199,286,811.90 = 122,654,207.40/x
  3. Step 3: Cross multiply
    132,857,874.60x = 199,286,811.90 × 122,654,207.40
  4. Step 4: Simplify right side
    132,857,874.60x = 24,443,365,958,867,388
  5. Step 5: Solve for x
    x = 24,443,365,958,867,388/132,857,874.60
  6. Step 6: Final answer
    x = 183,981,311.10

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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.