Home / 118,998,450.15-178,497,675.23-82,718,744.55

Finding the Fourth Proportional to 118,998,450.15, 178,497,675.23 and 82,718,744.55

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Solution

The fourth proportional to 118,998,450.15, 178,497,675.23 and 82,718,744.55 is: 124,078,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,998,450.15 : 178,497,675.23 = 82,718,744.55 : x
  2. Step 2: Convert to fraction form
    118,998,450.15/178,497,675.23 = 82,718,744.55/x
  3. Step 3: Cross multiply
    118,998,450.15x = 178,497,675.23 × 82,718,744.55
  4. Step 4: Simplify right side
    118,998,450.15x = 14,765,103,599,705,638
  5. Step 5: Solve for x
    x = 14,765,103,599,705,638/118,998,450.15
  6. Step 6: Final answer
    x = 124,078,116.83

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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.