Home / 81,821,800.60-122,719,306.74-33,297,694.36

Finding the Fourth Proportional to 81,821,800.60, 122,719,306.74 and 33,297,694.36

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Solution

The fourth proportional to 81,821,800.60, 122,719,306.74 and 33,297,694.36 is: 49,941,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,821,800.60 : 122,719,306.74 = 33,297,694.36 : x
  2. Step 2: Convert to fraction form
    81,821,800.60/122,719,306.74 = 33,297,694.36/x
  3. Step 3: Cross multiply
    81,821,800.60x = 122,719,306.74 × 33,297,694.36
  4. Step 4: Simplify right side
    81,821,800.60x = 4,086,269,967,899,607.50
  5. Step 5: Solve for x
    x = 4,086,269,967,899,607.50/81,821,800.60
  6. Step 6: Final answer
    x = 49,941,090.74

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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.