Home / 143,690,149.20-215,535,223.80-98,340,517.20

Finding the Fourth Proportional to 143,690,149.20, 215,535,223.80 and 98,340,517.20

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Solution

The fourth proportional to 143,690,149.20, 215,535,223.80 and 98,340,517.20 is: 147,510,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,690,149.20 : 215,535,223.80 = 98,340,517.20 : x
  2. Step 2: Convert to fraction form
    143,690,149.20/215,535,223.80 = 98,340,517.20/x
  3. Step 3: Cross multiply
    143,690,149.20x = 215,535,223.80 × 98,340,517.20
  4. Step 4: Simplify right side
    143,690,149.20x = 21,195,845,383,309,752
  5. Step 5: Solve for x
    x = 21,195,845,383,309,752/143,690,149.20
  6. Step 6: Final answer
    x = 147,510,775.80

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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.