Home / 66,434,122.20-99,651,183.30-49,215,433.80

Finding the Fourth Proportional to 66,434,122.20, 99,651,183.30 and 49,215,433.80

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Solution

The fourth proportional to 66,434,122.20, 99,651,183.30 and 49,215,433.80 is: 73,823,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,122.20 : 99,651,183.30 = 49,215,433.80 : x
  2. Step 2: Convert to fraction form
    66,434,122.20/99,651,183.30 = 49,215,433.80/x
  3. Step 3: Cross multiply
    66,434,122.20x = 99,651,183.30 × 49,215,433.80
  4. Step 4: Simplify right side
    66,434,122.20x = 4,904,376,214,792,815
  5. Step 5: Solve for x
    x = 4,904,376,214,792,815/66,434,122.20
  6. Step 6: Final answer
    x = 73,823,150.70

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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.