Home / 262,874,180.73-394,300,310.10-68,781,298.71

Finding the Fourth Proportional to 262,874,180.73, 394,300,310.10 and 68,781,298.71

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Solution

The fourth proportional to 262,874,180.73, 394,300,310.10 and 68,781,298.71 is: 103,169,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,874,180.73 : 394,300,310.10 = 68,781,298.71 : x
  2. Step 2: Convert to fraction form
    262,874,180.73/394,300,310.10 = 68,781,298.71/x
  3. Step 3: Cross multiply
    262,874,180.73x = 394,300,310.10 × 68,781,298.71
  4. Step 4: Simplify right side
    262,874,180.73x = 27,120,487,410,433,728
  5. Step 5: Solve for x
    x = 27,120,487,410,433,728/262,874,180.73
  6. Step 6: Final answer
    x = 103,169,080.11

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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.