Home / 331,962,889.25-497,946,229.88-137,874,304.55

Finding the Fourth Proportional to 331,962,889.25, 497,946,229.88 and 137,874,304.55

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Solution

The fourth proportional to 331,962,889.25, 497,946,229.88 and 137,874,304.55 is: 206,812,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,962,889.25 : 497,946,229.88 = 137,874,304.55 : x
  2. Step 2: Convert to fraction form
    331,962,889.25/497,946,229.88 = 137,874,304.55/x
  3. Step 3: Cross multiply
    331,962,889.25x = 497,946,229.88 × 137,874,304.55
  4. Step 4: Simplify right side
    331,962,889.25x = 68,653,990,144,820,320
  5. Step 5: Solve for x
    x = 68,653,990,144,820,320/331,962,889.25
  6. Step 6: Final answer
    x = 206,812,244.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.