Home / 80,566,743.45-120,609,238.39-49,344,090.35

Finding the Fourth Proportional to 80,566,743.45, 120,609,238.39 and 49,344,090.35

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Solution

The fourth proportional to 80,566,743.45, 120,609,238.39 and 49,344,090.35 is: 73,868,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,566,743.45 : 120,609,238.39 = 49,344,090.35 : x
  2. Step 2: Convert to fraction form
    80,566,743.45/120,609,238.39 = 49,344,090.35/x
  3. Step 3: Cross multiply
    80,566,743.45x = 120,609,238.39 × 49,344,090.35
  4. Step 4: Simplify right side
    80,566,743.45x = 5,951,353,155,979,494
  5. Step 5: Solve for x
    x = 5,951,353,155,979,494/80,566,743.45
  6. Step 6: Final answer
    x = 73,868,607.58

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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.