Home / 203,474,913.60-305,231,032.80-67,160,596.80

Finding the Fourth Proportional to 203,474,913.60, 305,231,032.80 and 67,160,596.80

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Solution

The fourth proportional to 203,474,913.60, 305,231,032.80 and 67,160,596.80 is: 100,747,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,474,913.60 : 305,231,032.80 = 67,160,596.80 : x
  2. Step 2: Convert to fraction form
    203,474,913.60/305,231,032.80 = 67,160,596.80/x
  3. Step 3: Cross multiply
    203,474,913.60x = 305,231,032.80 × 67,160,596.80
  4. Step 4: Simplify right side
    203,474,913.60x = 20,499,498,324,728,376
  5. Step 5: Solve for x
    x = 20,499,498,324,728,376/203,474,913.60
  6. Step 6: Final answer
    x = 100,747,055.06

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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.