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Finding the Fourth Proportional to 88,067,794.80, 132,101,692.20 and 74,462,905.20

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Solution

The fourth proportional to 88,067,794.80, 132,101,692.20 and 74,462,905.20 is: 111,694,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,067,794.80 : 132,101,692.20 = 74,462,905.20 : x
  2. Step 2: Convert to fraction form
    88,067,794.80/132,101,692.20 = 74,462,905.20/x
  3. Step 3: Cross multiply
    88,067,794.80x = 132,101,692.20 × 74,462,905.20
  4. Step 4: Simplify right side
    88,067,794.80x = 9,836,675,783,048,180
  5. Step 5: Solve for x
    x = 9,836,675,783,048,180/88,067,794.80
  6. Step 6: Final answer
    x = 111,694,357.80

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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.