Home / 221,535,114.80-332,302,672.20-75,949,149.20

Finding the Fourth Proportional to 221,535,114.80, 332,302,672.20 and 75,949,149.20

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Solution

The fourth proportional to 221,535,114.80, 332,302,672.20 and 75,949,149.20 is: 113,923,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,535,114.80 : 332,302,672.20 = 75,949,149.20 : x
  2. Step 2: Convert to fraction form
    221,535,114.80/332,302,672.20 = 75,949,149.20/x
  3. Step 3: Cross multiply
    221,535,114.80x = 332,302,672.20 × 75,949,149.20
  4. Step 4: Simplify right side
    221,535,114.80x = 25,238,105,230,476,492
  5. Step 5: Solve for x
    x = 25,238,105,230,476,492/221,535,114.80
  6. Step 6: Final answer
    x = 113,923,723.80

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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.