Home / 240,080,919.35-331,128,873.04-206,647,301.73

Finding the Fourth Proportional to 240,080,919.35, 331,128,873.04 and 206,647,301.73

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Solution

The fourth proportional to 240,080,919.35, 331,128,873.04 and 206,647,301.73 is: 285,015,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,080,919.35 : 331,128,873.04 = 206,647,301.73 : x
  2. Step 2: Convert to fraction form
    240,080,919.35/331,128,873.04 = 206,647,301.73/x
  3. Step 3: Cross multiply
    240,080,919.35x = 331,128,873.04 × 206,647,301.73
  4. Step 4: Simplify right side
    240,080,919.35x = 68,426,888,140,111,776
  5. Step 5: Solve for x
    x = 68,426,888,140,111,776/240,080,919.35
  6. Step 6: Final answer
    x = 285,015,936.82

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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.