Home / 146,752,321.20-220,128,481.80-60,446,302.80

Finding the Fourth Proportional to 146,752,321.20, 220,128,481.80 and 60,446,302.80

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Solution

The fourth proportional to 146,752,321.20, 220,128,481.80 and 60,446,302.80 is: 90,669,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,752,321.20 : 220,128,481.80 = 60,446,302.80 : x
  2. Step 2: Convert to fraction form
    146,752,321.20/220,128,481.80 = 60,446,302.80/x
  3. Step 3: Cross multiply
    146,752,321.20x = 220,128,481.80 × 60,446,302.80
  4. Step 4: Simplify right side
    146,752,321.20x = 13,305,952,865,787,090
  5. Step 5: Solve for x
    x = 13,305,952,865,787,090/146,752,321.20
  6. Step 6: Final answer
    x = 90,669,454.20

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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.