Home / 87,917,636.33-131,896,542.09-30,409,858.97

Finding the Fourth Proportional to 87,917,636.33, 131,896,542.09 and 30,409,858.97

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Solution

The fourth proportional to 87,917,636.33, 131,896,542.09 and 30,409,858.97 is: 45,621,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,917,636.33 : 131,896,542.09 = 30,409,858.97 : x
  2. Step 2: Convert to fraction form
    87,917,636.33/131,896,542.09 = 30,409,858.97/x
  3. Step 3: Cross multiply
    87,917,636.33x = 131,896,542.09 × 30,409,858.97
  4. Step 4: Simplify right side
    87,917,636.33x = 4,010,955,242,928,086.50
  5. Step 5: Solve for x
    x = 4,010,955,242,928,086.50/87,917,636.33
  6. Step 6: Final answer
    x = 45,621,736.55

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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.