Home / 203,474,829.60-305,230,906.80-67,160,512.80

Finding the Fourth Proportional to 203,474,829.60, 305,230,906.80 and 67,160,512.80

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Solution

The fourth proportional to 203,474,829.60, 305,230,906.80 and 67,160,512.80 is: 100,746,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,474,829.60 : 305,230,906.80 = 67,160,512.80 : x
  2. Step 2: Convert to fraction form
    203,474,829.60/305,230,906.80 = 67,160,512.80/x
  3. Step 3: Cross multiply
    203,474,829.60x = 305,230,906.80 × 67,160,512.80
  4. Step 4: Simplify right side
    203,474,829.60x = 20,499,464,223,097,008
  5. Step 5: Solve for x
    x = 20,499,464,223,097,008/203,474,829.60
  6. Step 6: Final answer
    x = 100,746,929.06

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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.