Home / 143,954,493.60-215,963,233.20-71,206,125.60

Finding the Fourth Proportional to 143,954,493.60, 215,963,233.20 and 71,206,125.60

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Solution

The fourth proportional to 143,954,493.60, 215,963,233.20 and 71,206,125.60 is: 106,824,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,954,493.60 : 215,963,233.20 = 71,206,125.60 : x
  2. Step 2: Convert to fraction form
    143,954,493.60/215,963,233.20 = 71,206,125.60/x
  3. Step 3: Cross multiply
    143,954,493.60x = 215,963,233.20 × 71,206,125.60
  4. Step 4: Simplify right side
    143,954,493.60x = 15,377,905,108,221,288
  5. Step 5: Solve for x
    x = 15,377,905,108,221,288/143,954,493.60
  6. Step 6: Final answer
    x = 106,824,766.10

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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.