Home / 148,608,538.20-222,912,807.30-90,495,464.85

Finding the Fourth Proportional to 148,608,538.20, 222,912,807.30 and 90,495,464.85

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Solution

The fourth proportional to 148,608,538.20, 222,912,807.30 and 90,495,464.85 is: 135,743,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608,538.20 : 222,912,807.30 = 90,495,464.85 : x
  2. Step 2: Convert to fraction form
    148,608,538.20/222,912,807.30 = 90,495,464.85/x
  3. Step 3: Cross multiply
    148,608,538.20x = 222,912,807.30 × 90,495,464.85
  4. Step 4: Simplify right side
    148,608,538.20x = 20,172,598,117,631,972
  5. Step 5: Solve for x
    x = 20,172,598,117,631,972/148,608,538.20
  6. Step 6: Final answer
    x = 135,743,197.28

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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.