Home / 148,110,982.85-222,005,836.80-74,156,407.61

Finding the Fourth Proportional to 148,110,982.85, 222,005,836.80 and 74,156,407.61

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Solution

The fourth proportional to 148,110,982.85, 222,005,836.80 and 74,156,407.61 is: 111,154,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,110,982.85 : 222,005,836.80 = 74,156,407.61 : x
  2. Step 2: Convert to fraction form
    148,110,982.85/222,005,836.80 = 74,156,407.61/x
  3. Step 3: Cross multiply
    148,110,982.85x = 222,005,836.80 × 74,156,407.61
  4. Step 4: Simplify right side
    148,110,982.85x = 16,463,155,324,429,910
  5. Step 5: Solve for x
    x = 16,463,155,324,429,910/148,110,982.85
  6. Step 6: Final answer
    x = 111,154,183.22

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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.