Home / 146,708,512.85-220,062,769.28-103,661,791.85

Finding the Fourth Proportional to 146,708,512.85, 220,062,769.28 and 103,661,791.85

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Solution

The fourth proportional to 146,708,512.85, 220,062,769.28 and 103,661,791.85 is: 155,492,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,708,512.85 : 220,062,769.28 = 103,661,791.85 : x
  2. Step 2: Convert to fraction form
    146,708,512.85/220,062,769.28 = 103,661,791.85/x
  3. Step 3: Cross multiply
    146,708,512.85x = 220,062,769.28 × 103,661,791.85
  4. Step 4: Simplify right side
    146,708,512.85x = 22,812,100,983,037,932
  5. Step 5: Solve for x
    x = 22,812,100,983,037,932/146,708,512.85
  6. Step 6: Final answer
    x = 155,492,687.78

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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.