Home / 148,027,981.20-222,169,517.72-102,621,662.16

Finding the Fourth Proportional to 148,027,981.20, 222,169,517.72 and 102,621,662.16

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Solution

The fourth proportional to 148,027,981.20, 222,169,517.72 and 102,621,662.16 is: 154,020,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,027,981.20 : 222,169,517.72 = 102,621,662.16 : x
  2. Step 2: Convert to fraction form
    148,027,981.20/222,169,517.72 = 102,621,662.16/x
  3. Step 3: Cross multiply
    148,027,981.20x = 222,169,517.72 × 102,621,662.16
  4. Step 4: Simplify right side
    148,027,981.20x = 22,799,405,189,198,864
  5. Step 5: Solve for x
    x = 22,799,405,189,198,864/148,027,981.20
  6. Step 6: Final answer
    x = 154,020,915.53

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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.