Home / 126,268,823.20-189,403,234.80-41,168,279.20

Finding the Fourth Proportional to 126,268,823.20, 189,403,234.80 and 41,168,279.20

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Solution

The fourth proportional to 126,268,823.20, 189,403,234.80 and 41,168,279.20 is: 61,752,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,268,823.20 : 189,403,234.80 = 41,168,279.20 : x
  2. Step 2: Convert to fraction form
    126,268,823.20/189,403,234.80 = 41,168,279.20/x
  3. Step 3: Cross multiply
    126,268,823.20x = 189,403,234.80 × 41,168,279.20
  4. Step 4: Simplify right side
    126,268,823.20x = 7,797,405,251,629,557
  5. Step 5: Solve for x
    x = 7,797,405,251,629,557/126,268,823.20
  6. Step 6: Final answer
    x = 61,752,418.80

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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.