Home / 165,969,972.30-248,954,958.45-161,187,003.30

Finding the Fourth Proportional to 165,969,972.30, 248,954,958.45 and 161,187,003.30

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Solution

The fourth proportional to 165,969,972.30, 248,954,958.45 and 161,187,003.30 is: 241,780,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,969,972.30 : 248,954,958.45 = 161,187,003.30 : x
  2. Step 2: Convert to fraction form
    165,969,972.30/248,954,958.45 = 161,187,003.30/x
  3. Step 3: Cross multiply
    165,969,972.30x = 248,954,958.45 × 161,187,003.30
  4. Step 4: Simplify right side
    165,969,972.30x = 40,128,303,709,231,512
  5. Step 5: Solve for x
    x = 40,128,303,709,231,512/165,969,972.30
  6. Step 6: Final answer
    x = 241,780,504.95

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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.