Home / 139,454,910.20-209,182,365.30-130,951,854.20

Finding the Fourth Proportional to 139,454,910.20, 209,182,365.30 and 130,951,854.20

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Solution

The fourth proportional to 139,454,910.20, 209,182,365.30 and 130,951,854.20 is: 196,427,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,454,910.20 : 209,182,365.30 = 130,951,854.20 : x
  2. Step 2: Convert to fraction form
    139,454,910.20/209,182,365.30 = 130,951,854.20/x
  3. Step 3: Cross multiply
    139,454,910.20x = 209,182,365.30 × 130,951,854.20
  4. Step 4: Simplify right side
    139,454,910.20x = 27,392,818,601,976,740
  5. Step 5: Solve for x
    x = 27,392,818,601,976,740/139,454,910.20
  6. Step 6: Final answer
    x = 196,427,781.30

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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.