Home / 125,313,847.34-187,970,012.84-68,169,286.94

Finding the Fourth Proportional to 125,313,847.34, 187,970,012.84 and 68,169,286.94

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Solution

The fourth proportional to 125,313,847.34, 187,970,012.84 and 68,169,286.94 is: 102,253,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,313,847.34 : 187,970,012.84 = 68,169,286.94 : x
  2. Step 2: Convert to fraction form
    125,313,847.34/187,970,012.84 = 68,169,286.94/x
  3. Step 3: Cross multiply
    125,313,847.34x = 187,970,012.84 × 68,169,286.94
  4. Step 4: Simplify right side
    125,313,847.34x = 12,813,781,740,636,018
  5. Step 5: Solve for x
    x = 12,813,781,740,636,018/125,313,847.34
  6. Step 6: Final answer
    x = 102,253,517.97

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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.