Home / 221,098,964.40-331,648,446.60-106,024,273.20

Finding the Fourth Proportional to 221,098,964.40, 331,648,446.60 and 106,024,273.20

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Solution

The fourth proportional to 221,098,964.40, 331,648,446.60 and 106,024,273.20 is: 159,036,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,098,964.40 : 331,648,446.60 = 106,024,273.20 : x
  2. Step 2: Convert to fraction form
    221,098,964.40/331,648,446.60 = 106,024,273.20/x
  3. Step 3: Cross multiply
    221,098,964.40x = 331,648,446.60 × 106,024,273.20
  4. Step 4: Simplify right side
    221,098,964.40x = 35,162,785,508,674,016
  5. Step 5: Solve for x
    x = 35,162,785,508,674,016/221,098,964.40
  6. Step 6: Final answer
    x = 159,036,409.80

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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.