Home / 262,441,348.20-393,662,022.30-80,664,906.60

Finding the Fourth Proportional to 262,441,348.20, 393,662,022.30 and 80,664,906.60

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Solution

The fourth proportional to 262,441,348.20, 393,662,022.30 and 80,664,906.60 is: 120,997,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,348.20 : 393,662,022.30 = 80,664,906.60 : x
  2. Step 2: Convert to fraction form
    262,441,348.20/393,662,022.30 = 80,664,906.60/x
  3. Step 3: Cross multiply
    262,441,348.20x = 393,662,022.30 × 80,664,906.60
  4. Step 4: Simplify right side
    262,441,348.20x = 31,754,710,260,796,616
  5. Step 5: Solve for x
    x = 31,754,710,260,796,616/262,441,348.20
  6. Step 6: Final answer
    x = 120,997,359.90

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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.