Home / 227,945,772.40-342,086,620.20-91,728,914.80

Finding the Fourth Proportional to 227,945,772.40, 342,086,620.20 and 91,728,914.80

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Solution

The fourth proportional to 227,945,772.40, 342,086,620.20 and 91,728,914.80 is: 137,660,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,945,772.40 : 342,086,620.20 = 91,728,914.80 : x
  2. Step 2: Convert to fraction form
    227,945,772.40/342,086,620.20 = 91,728,914.80/x
  3. Step 3: Cross multiply
    227,945,772.40x = 342,086,620.20 × 91,728,914.80
  4. Step 4: Simplify right side
    227,945,772.40x = 31,379,234,438,545,756
  5. Step 5: Solve for x
    x = 31,379,234,438,545,756/227,945,772.40
  6. Step 6: Final answer
    x = 137,660,962.55

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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.