Home / 272,397,416.70-408,520,469.42-75,615,589.02

Finding the Fourth Proportional to 272,397,416.70, 408,520,469.42 and 75,615,589.02

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Solution

The fourth proportional to 272,397,416.70, 408,520,469.42 and 75,615,589.02 is: 113,402,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,397,416.70 : 408,520,469.42 = 75,615,589.02 : x
  2. Step 2: Convert to fraction form
    272,397,416.70/408,520,469.42 = 75,615,589.02/x
  3. Step 3: Cross multiply
    272,397,416.70x = 408,520,469.42 × 75,615,589.02
  4. Step 4: Simplify right side
    272,397,416.70x = 30,890,515,920,230,796
  5. Step 5: Solve for x
    x = 30,890,515,920,230,796/272,397,416.70
  6. Step 6: Final answer
    x = 113,402,382.06

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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.