Home / 203,472,854.10-305,227,943.55-67,158,537.30

Finding the Fourth Proportional to 203,472,854.10, 305,227,943.55 and 67,158,537.30

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Solution

The fourth proportional to 203,472,854.10, 305,227,943.55 and 67,158,537.30 is: 100,743,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,472,854.10 : 305,227,943.55 = 67,158,537.30 : x
  2. Step 2: Convert to fraction form
    203,472,854.10/305,227,943.55 = 67,158,537.30/x
  3. Step 3: Cross multiply
    203,472,854.10x = 305,227,943.55 × 67,158,537.30
  4. Step 4: Simplify right side
    203,472,854.10x = 20,498,662,231,904,968
  5. Step 5: Solve for x
    x = 20,498,662,231,904,968/203,472,854.10
  6. Step 6: Final answer
    x = 100,743,965.69

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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.