Home / 129,050,987.60-193,576,481.40-114,942,213.20

Finding the Fourth Proportional to 129,050,987.60, 193,576,481.40 and 114,942,213.20

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Solution

The fourth proportional to 129,050,987.60, 193,576,481.40 and 114,942,213.20 is: 172,413,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,050,987.60 : 193,576,481.40 = 114,942,213.20 : x
  2. Step 2: Convert to fraction form
    129,050,987.60/193,576,481.40 = 114,942,213.20/x
  3. Step 3: Cross multiply
    129,050,987.60x = 193,576,481.40 × 114,942,213.20
  4. Step 4: Simplify right side
    129,050,987.60x = 22,250,109,195,584,636
  5. Step 5: Solve for x
    x = 22,250,109,195,584,636/129,050,987.60
  6. Step 6: Final answer
    x = 172,413,319.80

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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.