Home / 179,229,219.20-268,843,828.80-123,746,778.80

Finding the Fourth Proportional to 179,229,219.20, 268,843,828.80 and 123,746,778.80

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Solution

The fourth proportional to 179,229,219.20, 268,843,828.80 and 123,746,778.80 is: 185,620,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,229,219.20 : 268,843,828.80 = 123,746,778.80 : x
  2. Step 2: Convert to fraction form
    179,229,219.20/268,843,828.80 = 123,746,778.80/x
  3. Step 3: Cross multiply
    179,229,219.20x = 268,843,828.80 × 123,746,778.80
  4. Step 4: Simplify right side
    179,229,219.20x = 33,268,557,814,258,672
  5. Step 5: Solve for x
    x = 33,268,557,814,258,672/179,229,219.20
  6. Step 6: Final answer
    x = 185,620,168.20

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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.