Home / 87,305,493.78-130,922,209.83-29,802,396.60

Finding the Fourth Proportional to 87,305,493.78, 130,922,209.83 and 29,802,396.60

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Solution

The fourth proportional to 87,305,493.78, 130,922,209.83 and 29,802,396.60 is: 44,691,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305,493.78 : 130,922,209.83 = 29,802,396.60 : x
  2. Step 2: Convert to fraction form
    87,305,493.78/130,922,209.83 = 29,802,396.60/x
  3. Step 3: Cross multiply
    87,305,493.78x = 130,922,209.83 × 29,802,396.60
  4. Step 4: Simplify right side
    87,305,493.78x = 3,901,795,621,102,078.50
  5. Step 5: Solve for x
    x = 3,901,795,621,102,078.50/87,305,493.78
  6. Step 6: Final answer
    x = 44,691,295.50

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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.