Home / 80,744,845.95-120,972,926.93-49,138,321.95

Finding the Fourth Proportional to 80,744,845.95, 120,972,926.93 and 49,138,321.95

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Solution

The fourth proportional to 80,744,845.95, 120,972,926.93 and 49,138,321.95 is: 73,619,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744,845.95 : 120,972,926.93 = 49,138,321.95 : x
  2. Step 2: Convert to fraction form
    80,744,845.95/120,972,926.93 = 49,138,321.95/x
  3. Step 3: Cross multiply
    80,744,845.95x = 120,972,926.93 × 49,138,321.95
  4. Step 4: Simplify right side
    80,744,845.95x = 5,944,406,630,474,474
  5. Step 5: Solve for x
    x = 5,944,406,630,474,474/80,744,845.95
  6. Step 6: Final answer
    x = 73,619,641.73

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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.