Home / 126,341,799.90-189,654,417.45-97,714,844.70

Finding the Fourth Proportional to 126,341,799.90, 189,654,417.45 and 97,714,844.70

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Solution

The fourth proportional to 126,341,799.90, 189,654,417.45 and 97,714,844.70 is: 146,681,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,341,799.90 : 189,654,417.45 = 97,714,844.70 : x
  2. Step 2: Convert to fraction form
    126,341,799.90/189,654,417.45 = 97,714,844.70/x
  3. Step 3: Cross multiply
    126,341,799.90x = 189,654,417.45 × 97,714,844.70
  4. Step 4: Simplify right side
    126,341,799.90x = 18,532,051,947,795,720
  5. Step 5: Solve for x
    x = 18,532,051,947,795,720/126,341,799.90
  6. Step 6: Final answer
    x = 146,681,873.79

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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.