Home / 247,969,772.40-342,121,235.25-140,661,422.37

Finding the Fourth Proportional to 247,969,772.40, 342,121,235.25 and 140,661,422.37

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Solution

The fourth proportional to 247,969,772.40, 342,121,235.25 and 140,661,422.37 is: 194,069,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,969,772.40 : 342,121,235.25 = 140,661,422.37 : x
  2. Step 2: Convert to fraction form
    247,969,772.40/342,121,235.25 = 140,661,422.37/x
  3. Step 3: Cross multiply
    247,969,772.40x = 342,121,235.25 × 140,661,422.37
  4. Step 4: Simplify right side
    247,969,772.40x = 48,123,259,573,246,384
  5. Step 5: Solve for x
    x = 48,123,259,573,246,384/247,969,772.40
  6. Step 6: Final answer
    x = 194,069,055.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.