Home / 142,231,260.80-213,346,891.20-106,399,452.80

Finding the Fourth Proportional to 142,231,260.80, 213,346,891.20 and 106,399,452.80

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Solution

The fourth proportional to 142,231,260.80, 213,346,891.20 and 106,399,452.80 is: 159,599,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,231,260.80 : 213,346,891.20 = 106,399,452.80 : x
  2. Step 2: Convert to fraction form
    142,231,260.80/213,346,891.20 = 106,399,452.80/x
  3. Step 3: Cross multiply
    142,231,260.80x = 213,346,891.20 × 106,399,452.80
  4. Step 4: Simplify right side
    142,231,260.80x = 22,699,992,480,261,132
  5. Step 5: Solve for x
    x = 22,699,992,480,261,132/142,231,260.80
  6. Step 6: Final answer
    x = 159,599,179.20

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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.