Home / 137,979,335.76-206,969,003.88-56,079,025.68

Finding the Fourth Proportional to 137,979,335.76, 206,969,003.88 and 56,079,025.68

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Solution

The fourth proportional to 137,979,335.76, 206,969,003.88 and 56,079,025.68 is: 84,118,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,979,335.76 : 206,969,003.88 = 56,079,025.68 : x
  2. Step 2: Convert to fraction form
    137,979,335.76/206,969,003.88 = 56,079,025.68/x
  3. Step 3: Cross multiply
    137,979,335.76x = 206,969,003.88 × 56,079,025.68
  4. Step 4: Simplify right side
    137,979,335.76x = 11,606,620,083,550,540
  5. Step 5: Solve for x
    x = 11,606,620,083,550,540/137,979,335.76
  6. Step 6: Final answer
    x = 84,118,538.62

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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.