Home / 143,498,721.43-215,195,269.73-112,853,176.57

Finding the Fourth Proportional to 143,498,721.43, 215,195,269.73 and 112,853,176.57

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Solution

The fourth proportional to 143,498,721.43, 215,195,269.73 and 112,853,176.57 is: 169,238,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,498,721.43 : 215,195,269.73 = 112,853,176.57 : x
  2. Step 2: Convert to fraction form
    143,498,721.43/215,195,269.73 = 112,853,176.57/x
  3. Step 3: Cross multiply
    143,498,721.43x = 215,195,269.73 × 112,853,176.57
  4. Step 4: Simplify right side
    143,498,721.43x = 24,285,469,770,792,488
  5. Step 5: Solve for x
    x = 24,285,469,770,792,488/143,498,721.43
  6. Step 6: Final answer
    x = 169,238,231.04

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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.