Home / 221,419,889.70-332,129,834.55-106,376,691.30

Finding the Fourth Proportional to 221,419,889.70, 332,129,834.55 and 106,376,691.30

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Solution

The fourth proportional to 221,419,889.70, 332,129,834.55 and 106,376,691.30 is: 159,565,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,419,889.70 : 332,129,834.55 = 106,376,691.30 : x
  2. Step 2: Convert to fraction form
    221,419,889.70/332,129,834.55 = 106,376,691.30/x
  3. Step 3: Cross multiply
    221,419,889.70x = 332,129,834.55 × 106,376,691.30
  4. Step 4: Simplify right side
    221,419,889.70x = 35,330,872,881,445,424
  5. Step 5: Solve for x
    x = 35,330,872,881,445,424/221,419,889.70
  6. Step 6: Final answer
    x = 159,565,036.95

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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.