Home / 221,433,902.80-332,150,854.20-75,819,068.80

Finding the Fourth Proportional to 221,433,902.80, 332,150,854.20 and 75,819,068.80

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Solution

The fourth proportional to 221,433,902.80, 332,150,854.20 and 75,819,068.80 is: 113,728,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,902.80 : 332,150,854.20 = 75,819,068.80 : x
  2. Step 2: Convert to fraction form
    221,433,902.80/332,150,854.20 = 75,819,068.80/x
  3. Step 3: Cross multiply
    221,433,902.80x = 332,150,854.20 × 75,819,068.80
  4. Step 4: Simplify right side
    221,433,902.80x = 25,183,368,466,568,568
  5. Step 5: Solve for x
    x = 25,183,368,466,568,568/221,433,902.80
  6. Step 6: Final answer
    x = 113,728,603.20

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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.