Home / 148,605,512.60-222,719,312.10-71,763,080.60

Finding the Fourth Proportional to 148,605,512.60, 222,719,312.10 and 71,763,080.60

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Solution

The fourth proportional to 148,605,512.60, 222,719,312.10 and 71,763,080.60 is: 107,553,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,605,512.60 : 222,719,312.10 = 71,763,080.60 : x
  2. Step 2: Convert to fraction form
    148,605,512.60/222,719,312.10 = 71,763,080.60/x
  3. Step 3: Cross multiply
    148,605,512.60x = 222,719,312.10 × 71,763,080.60
  4. Step 4: Simplify right side
    148,605,512.60x = 15,983,023,945,408,854
  5. Step 5: Solve for x
    x = 15,983,023,945,408,854/148,605,512.60
  6. Step 6: Final answer
    x = 107,553,371.78

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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.