Home / 180,278,976.09-270,418,043.61-118,420,753.89

Finding the Fourth Proportional to 180,278,976.09, 270,418,043.61 and 118,420,753.89

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Solution

The fourth proportional to 180,278,976.09, 270,418,043.61 and 118,420,753.89 is: 177,630,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,278,976.09 : 270,418,043.61 = 118,420,753.89 : x
  2. Step 2: Convert to fraction form
    180,278,976.09/270,418,043.61 = 118,420,753.89/x
  3. Step 3: Cross multiply
    180,278,976.09x = 270,418,043.61 × 118,420,753.89
  4. Step 4: Simplify right side
    180,278,976.09x = 32,023,108,589,755,100
  5. Step 5: Solve for x
    x = 32,023,108,589,755,100/180,278,976.09
  6. Step 6: Final answer
    x = 177,630,854.60

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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.