Home / 148,493,140.20-222,739,710.30-80,468,692.20

Finding the Fourth Proportional to 148,493,140.20, 222,739,710.30 and 80,468,692.20

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Solution

The fourth proportional to 148,493,140.20, 222,739,710.30 and 80,468,692.20 is: 120,703,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,493,140.20 : 222,739,710.30 = 80,468,692.20 : x
  2. Step 2: Convert to fraction form
    148,493,140.20/222,739,710.30 = 80,468,692.20/x
  3. Step 3: Cross multiply
    148,493,140.20x = 222,739,710.30 × 80,468,692.20
  4. Step 4: Simplify right side
    148,493,140.20x = 17,923,573,188,847,872
  5. Step 5: Solve for x
    x = 17,923,573,188,847,872/148,493,140.20
  6. Step 6: Final answer
    x = 120,703,038.30

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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.