Home / 126,342,104.40-189,654,874.20-97,715,149.20

Finding the Fourth Proportional to 126,342,104.40, 189,654,874.20 and 97,715,149.20

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Solution

The fourth proportional to 126,342,104.40, 189,654,874.20 and 97,715,149.20 is: 146,682,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342,104.40 : 189,654,874.20 = 97,715,149.20 : x
  2. Step 2: Convert to fraction form
    126,342,104.40/189,654,874.20 = 97,715,149.20/x
  3. Step 3: Cross multiply
    126,342,104.40x = 189,654,874.20 × 97,715,149.20
  4. Step 4: Simplify right side
    126,342,104.40x = 18,532,154,328,960,232
  5. Step 5: Solve for x
    x = 18,532,154,328,960,232/126,342,104.40
  6. Step 6: Final answer
    x = 146,682,330.62

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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.