Home / 81,821,799.60-122,719,305.24-33,297,693.36

Finding the Fourth Proportional to 81,821,799.60, 122,719,305.24 and 33,297,693.36

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Solution

The fourth proportional to 81,821,799.60, 122,719,305.24 and 33,297,693.36 is: 49,941,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,821,799.60 : 122,719,305.24 = 33,297,693.36 : x
  2. Step 2: Convert to fraction form
    81,821,799.60/122,719,305.24 = 33,297,693.36/x
  3. Step 3: Cross multiply
    81,821,799.60x = 122,719,305.24 × 33,297,693.36
  4. Step 4: Simplify right side
    81,821,799.60x = 4,086,269,795,233,761
  5. Step 5: Solve for x
    x = 4,086,269,795,233,761/81,821,799.60
  6. Step 6: Final answer
    x = 49,941,089.24

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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.