Home / 146,821,149.14-202,618,385.25-80,746,761.56

Finding the Fourth Proportional to 146,821,149.14, 202,618,385.25 and 80,746,761.56

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Solution

The fourth proportional to 146,821,149.14, 202,618,385.25 and 80,746,761.56 is: 111,433,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,821,149.14 : 202,618,385.25 = 80,746,761.56 : x
  2. Step 2: Convert to fraction form
    146,821,149.14/202,618,385.25 = 80,746,761.56/x
  3. Step 3: Cross multiply
    146,821,149.14x = 202,618,385.25 × 80,746,761.56
  4. Step 4: Simplify right side
    146,821,149.14x = 16,360,778,441,453,972
  5. Step 5: Solve for x
    x = 16,360,778,441,453,972/146,821,149.14
  6. Step 6: Final answer
    x = 111,433,390.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.