Home / 126,341,712.40-189,654,286.20-97,714,757.20

Finding the Fourth Proportional to 126,341,712.40, 189,654,286.20 and 97,714,757.20

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Solution

The fourth proportional to 126,341,712.40, 189,654,286.20 and 97,714,757.20 is: 146,681,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,341,712.40 : 189,654,286.20 = 97,714,757.20 : x
  2. Step 2: Convert to fraction form
    126,341,712.40/189,654,286.20 = 97,714,757.20/x
  3. Step 3: Cross multiply
    126,341,712.40x = 189,654,286.20 × 97,714,757.20
  4. Step 4: Simplify right side
    126,341,712.40x = 18,532,022,527,972,312
  5. Step 5: Solve for x
    x = 18,532,022,527,972,312/126,341,712.40
  6. Step 6: Final answer
    x = 146,681,742.52

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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.