Home / 80,001,791.73-120,001,812.78-19,417,517.73

Finding the Fourth Proportional to 80,001,791.73, 120,001,812.78 and 19,417,517.73

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Solution

The fourth proportional to 80,001,791.73, 120,001,812.78 and 19,417,517.73 is: 29,126,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001,791.73 : 120,001,812.78 = 19,417,517.73 : x
  2. Step 2: Convert to fraction form
    80,001,791.73/120,001,812.78 = 19,417,517.73/x
  3. Step 3: Cross multiply
    80,001,791.73x = 120,001,812.78 × 19,417,517.73
  4. Step 4: Simplify right side
    80,001,791.73x = 2,330,137,327,287,790.50
  5. Step 5: Solve for x
    x = 2,330,137,327,287,790.50/80,001,791.73
  6. Step 6: Final answer
    x = 29,126,064.27

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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.