Home / 262,874,179.55-394,300,308.32-68,781,297.53

Finding the Fourth Proportional to 262,874,179.55, 394,300,308.32 and 68,781,297.53

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Solution

The fourth proportional to 262,874,179.55, 394,300,308.32 and 68,781,297.53 is: 103,169,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,874,179.55 : 394,300,308.32 = 68,781,297.53 : x
  2. Step 2: Convert to fraction form
    262,874,179.55/394,300,308.32 = 68,781,297.53/x
  3. Step 3: Cross multiply
    262,874,179.55x = 394,300,308.32 × 68,781,297.53
  4. Step 4: Simplify right side
    262,874,179.55x = 27,120,486,820,757,156
  5. Step 5: Solve for x
    x = 27,120,486,820,757,156/262,874,179.55
  6. Step 6: Final answer
    x = 103,169,078.33

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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.