Home / 203,198,028.36-280,420,972.44-113,891,608.60

Finding the Fourth Proportional to 203,198,028.36, 280,420,972.44 and 113,891,608.60

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Solution

The fourth proportional to 203,198,028.36, 280,420,972.44 and 113,891,608.60 is: 157,174,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,198,028.36 : 280,420,972.44 = 113,891,608.60 : x
  2. Step 2: Convert to fraction form
    203,198,028.36/280,420,972.44 = 113,891,608.60/x
  3. Step 3: Cross multiply
    203,198,028.36x = 280,420,972.44 × 113,891,608.60
  4. Step 4: Simplify right side
    203,198,028.36x = 31,937,595,636,367,864
  5. Step 5: Solve for x
    x = 31,937,595,636,367,864/203,198,028.36
  6. Step 6: Final answer
    x = 157,174,731.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.