Home / 239,254,747.64-330,163,388.97-131,968,321.56

Finding the Fourth Proportional to 239,254,747.64, 330,163,388.97 and 131,968,321.56

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Solution

The fourth proportional to 239,254,747.64, 330,163,388.97 and 131,968,321.56 is: 182,111,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,254,747.64 : 330,163,388.97 = 131,968,321.56 : x
  2. Step 2: Convert to fraction form
    239,254,747.64/330,163,388.97 = 131,968,321.56/x
  3. Step 3: Cross multiply
    239,254,747.64x = 330,163,388.97 × 131,968,321.56
  4. Step 4: Simplify right side
    239,254,747.64x = 43,571,108,282,932,320
  5. Step 5: Solve for x
    x = 43,571,108,282,932,320/239,254,747.64
  6. Step 6: Final answer
    x = 182,111,781.33

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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.