Home / 240,080,920.65-331,128,874.85-206,647,303.04

Finding the Fourth Proportional to 240,080,920.65, 331,128,874.85 and 206,647,303.04

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Solution

The fourth proportional to 240,080,920.65, 331,128,874.85 and 206,647,303.04 is: 285,015,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,080,920.65 : 331,128,874.85 = 206,647,303.04 : x
  2. Step 2: Convert to fraction form
    240,080,920.65/331,128,874.85 = 206,647,303.04/x
  3. Step 3: Cross multiply
    240,080,920.65x = 331,128,874.85 × 206,647,303.04
  4. Step 4: Simplify right side
    240,080,920.65x = 68,426,888,946,136,384
  5. Step 5: Solve for x
    x = 68,426,888,946,136,384/240,080,920.65
  6. Step 6: Final answer
    x = 285,015,938.63

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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.