Home / 87,945,977.82-121,379,998.42-48,800,365.92

Finding the Fourth Proportional to 87,945,977.82, 121,379,998.42 and 48,800,365.92

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Solution

The fourth proportional to 87,945,977.82, 121,379,998.42 and 48,800,365.92 is: 67,352,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,945,977.82 : 121,379,998.42 = 48,800,365.92 : x
  2. Step 2: Convert to fraction form
    87,945,977.82/121,379,998.42 = 48,800,365.92/x
  3. Step 3: Cross multiply
    87,945,977.82x = 121,379,998.42 × 48,800,365.92
  4. Step 4: Simplify right side
    87,945,977.82x = 5,923,388,338,265,022
  5. Step 5: Solve for x
    x = 5,923,388,338,265,022/87,945,977.82
  6. Step 6: Final answer
    x = 67,352,578.08

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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.