Home / 126,201,520.90-189,323,202.39-44,299,147.78

Finding the Fourth Proportional to 126,201,520.90, 189,323,202.39 and 44,299,147.78

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Solution

The fourth proportional to 126,201,520.90, 189,323,202.39 and 44,299,147.78 is: 66,456,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,201,520.90 : 189,323,202.39 = 44,299,147.78 : x
  2. Step 2: Convert to fraction form
    126,201,520.90/189,323,202.39 = 44,299,147.78/x
  3. Step 3: Cross multiply
    126,201,520.90x = 189,323,202.39 × 44,299,147.78
  4. Step 4: Simplify right side
    126,201,520.90x = 8,386,856,520,857,459
  5. Step 5: Solve for x
    x = 8,386,856,520,857,459/126,201,520.90
  6. Step 6: Final answer
    x = 66,456,065.36

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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.