Home / 126,125,615.60-189,194,644.20-65,659,439.60

Finding the Fourth Proportional to 126,125,615.60, 189,194,644.20 and 65,659,439.60

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Solution

The fourth proportional to 126,125,615.60, 189,194,644.20 and 65,659,439.60 is: 98,492,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125,615.60 : 189,194,644.20 = 65,659,439.60 : x
  2. Step 2: Convert to fraction form
    126,125,615.60/189,194,644.20 = 65,659,439.60/x
  3. Step 3: Cross multiply
    126,125,615.60x = 189,194,644.20 × 65,659,439.60
  4. Step 4: Simplify right side
    126,125,615.60x = 12,422,414,313,493,390
  5. Step 5: Solve for x
    x = 12,422,414,313,493,390/126,125,615.60
  6. Step 6: Final answer
    x = 98,492,397.87

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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.