Home / 144,479,806.20-217,073,603.70-108,647,998.20

Finding the Fourth Proportional to 144,479,806.20, 217,073,603.70 and 108,647,998.20

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Solution

The fourth proportional to 144,479,806.20, 217,073,603.70 and 108,647,998.20 is: 163,238,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,479,806.20 : 217,073,603.70 = 108,647,998.20 : x
  2. Step 2: Convert to fraction form
    144,479,806.20/217,073,603.70 = 108,647,998.20/x
  3. Step 3: Cross multiply
    144,479,806.20x = 217,073,603.70 × 108,647,998.20
  4. Step 4: Simplify right side
    144,479,806.20x = 23,584,612,504,065,112
  5. Step 5: Solve for x
    x = 23,584,612,504,065,112/144,479,806.20
  6. Step 6: Final answer
    x = 163,238,123.89

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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.