Home / 80,901,924.62-121,339,600.89-34,831,390.43

Finding the Fourth Proportional to 80,901,924.62, 121,339,600.89 and 34,831,390.43

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Solution

The fourth proportional to 80,901,924.62, 121,339,600.89 and 34,831,390.43 is: 52,241,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901,924.62 : 121,339,600.89 = 34,831,390.43 : x
  2. Step 2: Convert to fraction form
    80,901,924.62/121,339,600.89 = 34,831,390.43/x
  3. Step 3: Cross multiply
    80,901,924.62x = 121,339,600.89 × 34,831,390.43
  4. Step 4: Simplify right side
    80,901,924.62x = 4,226,427,012,613,267
  5. Step 5: Solve for x
    x = 4,226,427,012,613,267/80,901,924.62
  6. Step 6: Final answer
    x = 52,241,365.49

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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.