Home / 203,472,829.10-305,227,906.05-67,158,512.30

Finding the Fourth Proportional to 203,472,829.10, 305,227,906.05 and 67,158,512.30

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Solution

The fourth proportional to 203,472,829.10, 305,227,906.05 and 67,158,512.30 is: 100,743,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,472,829.10 : 305,227,906.05 = 67,158,512.30 : x
  2. Step 2: Convert to fraction form
    203,472,829.10/305,227,906.05 = 67,158,512.30/x
  3. Step 3: Cross multiply
    203,472,829.10x = 305,227,906.05 × 67,158,512.30
  4. Step 4: Simplify right side
    203,472,829.10x = 20,498,652,082,762,168
  5. Step 5: Solve for x
    x = 20,498,652,082,762,168/203,472,829.10
  6. Step 6: Final answer
    x = 100,743,928.19

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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.