Home / 80,447,388.96-111,008,352.48-47,405,493.12

Finding the Fourth Proportional to 80,447,388.96, 111,008,352.48 and 47,405,493.12

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Solution

The fourth proportional to 80,447,388.96, 111,008,352.48 and 47,405,493.12 is: 65,414,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447,388.96 : 111,008,352.48 = 47,405,493.12 : x
  2. Step 2: Convert to fraction form
    80,447,388.96/111,008,352.48 = 47,405,493.12/x
  3. Step 3: Cross multiply
    80,447,388.96x = 111,008,352.48 × 47,405,493.12
  4. Step 4: Simplify right side
    80,447,388.96x = 5,262,405,689,753,175
  5. Step 5: Solve for x
    x = 5,262,405,689,753,175/80,447,388.96
  6. Step 6: Final answer
    x = 65,414,250.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.