Home / 154,387,360.20-231,581,040.30-132,863,999.70

Finding the Fourth Proportional to 154,387,360.20, 231,581,040.30 and 132,863,999.70

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Solution

The fourth proportional to 154,387,360.20, 231,581,040.30 and 132,863,999.70 is: 199,295,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,387,360.20 : 231,581,040.30 = 132,863,999.70 : x
  2. Step 2: Convert to fraction form
    154,387,360.20/231,581,040.30 = 132,863,999.70/x
  3. Step 3: Cross multiply
    154,387,360.20x = 231,581,040.30 × 132,863,999.70
  4. Step 4: Simplify right side
    154,387,360.20x = 30,768,783,268,944,892
  5. Step 5: Solve for x
    x = 30,768,783,268,944,892/154,387,360.20
  6. Step 6: Final answer
    x = 199,295,999.55

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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.