Home / 227,945,765.40-342,086,609.70-91,728,907.80

Finding the Fourth Proportional to 227,945,765.40, 342,086,609.70 and 91,728,907.80

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Solution

The fourth proportional to 227,945,765.40, 342,086,609.70 and 91,728,907.80 is: 137,660,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,945,765.40 : 342,086,609.70 = 91,728,907.80 : x
  2. Step 2: Convert to fraction form
    227,945,765.40/342,086,609.70 = 91,728,907.80/x
  3. Step 3: Cross multiply
    227,945,765.40x = 342,086,609.70 × 91,728,907.80
  4. Step 4: Simplify right side
    227,945,765.40x = 31,379,231,080,785,884
  5. Step 5: Solve for x
    x = 31,379,231,080,785,884/227,945,765.40
  6. Step 6: Final answer
    x = 137,660,952.05

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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.