Home / 102,910,371.60-154,223,839.80-68,268,291.60

Finding the Fourth Proportional to 102,910,371.60, 154,223,839.80 and 68,268,291.60

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Solution

The fourth proportional to 102,910,371.60, 154,223,839.80 and 68,268,291.60 is: 102,308,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,910,371.60 : 154,223,839.80 = 68,268,291.60 : x
  2. Step 2: Convert to fraction form
    102,910,371.60/154,223,839.80 = 68,268,291.60/x
  3. Step 3: Cross multiply
    102,910,371.60x = 154,223,839.80 × 68,268,291.60
  4. Step 4: Simplify right side
    102,910,371.60x = 10,528,598,067,138,086
  5. Step 5: Solve for x
    x = 10,528,598,067,138,086/102,910,371.60
  6. Step 6: Final answer
    x = 102,308,425.32

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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.