Home / 148,293,028.20-222,439,542.30-99,794,116.20

Finding the Fourth Proportional to 148,293,028.20, 222,439,542.30 and 99,794,116.20

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Solution

The fourth proportional to 148,293,028.20, 222,439,542.30 and 99,794,116.20 is: 149,691,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,293,028.20 : 222,439,542.30 = 99,794,116.20 : x
  2. Step 2: Convert to fraction form
    148,293,028.20/222,439,542.30 = 99,794,116.20/x
  3. Step 3: Cross multiply
    148,293,028.20x = 222,439,542.30 × 99,794,116.20
  4. Step 4: Simplify right side
    148,293,028.20x = 22,198,157,531,761,016
  5. Step 5: Solve for x
    x = 22,198,157,531,761,016/148,293,028.20
  6. Step 6: Final answer
    x = 149,691,174.30

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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.