Home / 159,619,951.89-220,275,436.17-86,281,093.89

Finding the Fourth Proportional to 159,619,951.89, 220,275,436.17 and 86,281,093.89

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Solution

The fourth proportional to 159,619,951.89, 220,275,436.17 and 86,281,093.89 is: 119,067,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,619,951.89 : 220,275,436.17 = 86,281,093.89 : x
  2. Step 2: Convert to fraction form
    159,619,951.89/220,275,436.17 = 86,281,093.89/x
  3. Step 3: Cross multiply
    159,619,951.89x = 220,275,436.17 × 86,281,093.89
  4. Step 4: Simplify right side
    159,619,951.89x = 19,005,605,589,844,472
  5. Step 5: Solve for x
    x = 19,005,605,589,844,472/159,619,951.89
  6. Step 6: Final answer
    x = 119,067,856.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.