Home / 137,659,822.62-206,488,815.32-55,777,492.86

Finding the Fourth Proportional to 137,659,822.62, 206,488,815.32 and 55,777,492.86

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Solution

The fourth proportional to 137,659,822.62, 206,488,815.32 and 55,777,492.86 is: 83,665,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659,822.62 : 206,488,815.32 = 55,777,492.86 : x
  2. Step 2: Convert to fraction form
    137,659,822.62/206,488,815.32 = 55,777,492.86/x
  3. Step 3: Cross multiply
    137,659,822.62x = 206,488,815.32 × 55,777,492.86
  4. Step 4: Simplify right side
    137,659,822.62x = 11,517,428,422,181,158
  5. Step 5: Solve for x
    x = 11,517,428,422,181,158/137,659,822.62
  6. Step 6: Final answer
    x = 83,665,867.08

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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.