Home / 137,659,811.60-206,488,798.85-55,777,481.84

Finding the Fourth Proportional to 137,659,811.60, 206,488,798.85 and 55,777,481.84

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Solution

The fourth proportional to 137,659,811.60, 206,488,798.85 and 55,777,481.84 is: 83,665,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659,811.60 : 206,488,798.85 = 55,777,481.84 : x
  2. Step 2: Convert to fraction form
    137,659,811.60/206,488,798.85 = 55,777,481.84/x
  3. Step 3: Cross multiply
    137,659,811.60x = 206,488,798.85 × 55,777,481.84
  4. Step 4: Simplify right side
    137,659,811.60x = 11,517,425,226,707,956
  5. Step 5: Solve for x
    x = 11,517,425,226,707,956/137,659,811.60
  6. Step 6: Final answer
    x = 83,665,850.57

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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.