Home / 172,708,949.75-259,179,990.26-67,651,261.54

Finding the Fourth Proportional to 172,708,949.75, 259,179,990.26 and 67,651,261.54

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Solution

The fourth proportional to 172,708,949.75, 259,179,990.26 and 67,651,261.54 is: 101,522,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,708,949.75 : 259,179,990.26 = 67,651,261.54 : x
  2. Step 2: Convert to fraction form
    172,708,949.75/259,179,990.26 = 67,651,261.54/x
  3. Step 3: Cross multiply
    172,708,949.75x = 259,179,990.26 × 67,651,261.54
  4. Step 4: Simplify right side
    172,708,949.75x = 17,533,853,306,027,704
  5. Step 5: Solve for x
    x = 17,533,853,306,027,704/172,708,949.75
  6. Step 6: Final answer
    x = 101,522,551.85

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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.