Home / 172,708,949.50-259,179,989.88-67,651,261.29

Finding the Fourth Proportional to 172,708,949.50, 259,179,989.88 and 67,651,261.29

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Solution

The fourth proportional to 172,708,949.50, 259,179,989.88 and 67,651,261.29 is: 101,522,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,708,949.50 : 259,179,989.88 = 67,651,261.29 : x
  2. Step 2: Convert to fraction form
    172,708,949.50/259,179,989.88 = 67,651,261.29/x
  3. Step 3: Cross multiply
    172,708,949.50x = 259,179,989.88 × 67,651,261.29
  4. Step 4: Simplify right side
    172,708,949.50x = 17,533,853,216,511,438
  5. Step 5: Solve for x
    x = 17,533,853,216,511,438/172,708,949.50
  6. Step 6: Final answer
    x = 101,522,551.48

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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.