Home / 148,689,865.20-222,958,217.16-66,738,488.61

Finding the Fourth Proportional to 148,689,865.20, 222,958,217.16 and 66,738,488.61

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Solution

The fourth proportional to 148,689,865.20, 222,958,217.16 and 66,738,488.61 is: 100,073,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,689,865.20 : 222,958,217.16 = 66,738,488.61 : x
  2. Step 2: Convert to fraction form
    148,689,865.20/222,958,217.16 = 66,738,488.61/x
  3. Step 3: Cross multiply
    148,689,865.20x = 222,958,217.16 × 66,738,488.61
  4. Step 4: Simplify right side
    148,689,865.20x = 14,879,894,436,438,566
  5. Step 5: Solve for x
    x = 14,879,894,436,438,566/148,689,865.20
  6. Step 6: Final answer
    x = 100,073,360.19

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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.