Home / 240,080,918.97-331,128,872.53-206,647,301.36

Finding the Fourth Proportional to 240,080,918.97, 331,128,872.53 and 206,647,301.36

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Solution

The fourth proportional to 240,080,918.97, 331,128,872.53 and 206,647,301.36 is: 285,015,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,080,918.97 : 331,128,872.53 = 206,647,301.36 : x
  2. Step 2: Convert to fraction form
    240,080,918.97/331,128,872.53 = 206,647,301.36/x
  3. Step 3: Cross multiply
    240,080,918.97x = 331,128,872.53 × 206,647,301.36
  4. Step 4: Simplify right side
    240,080,918.97x = 68,426,887,908,868,952
  5. Step 5: Solve for x
    x = 68,426,887,908,868,952/240,080,918.97
  6. Step 6: Final answer
    x = 285,015,936.31

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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.