Home / 129,036,910.60-193,555,365.90-114,928,136.20

Finding the Fourth Proportional to 129,036,910.60, 193,555,365.90 and 114,928,136.20

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Solution

The fourth proportional to 129,036,910.60, 193,555,365.90 and 114,928,136.20 is: 172,392,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,036,910.60 : 193,555,365.90 = 114,928,136.20 : x
  2. Step 2: Convert to fraction form
    129,036,910.60/193,555,365.90 = 114,928,136.20/x
  3. Step 3: Cross multiply
    129,036,910.60x = 193,555,365.90 × 114,928,136.20
  4. Step 4: Simplify right side
    129,036,910.60x = 22,244,957,454,396,036
  5. Step 5: Solve for x
    x = 22,244,957,454,396,036/129,036,910.60
  6. Step 6: Final answer
    x = 172,392,204.30

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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.