Home / 117,517,869.33-162,003,738.84-82,125,793.21

Finding the Fourth Proportional to 117,517,869.33, 162,003,738.84 and 82,125,793.21

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Solution

The fourth proportional to 117,517,869.33, 162,003,738.84 and 82,125,793.21 is: 113,214,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,869.33 : 162,003,738.84 = 82,125,793.21 : x
  2. Step 2: Convert to fraction form
    117,517,869.33/162,003,738.84 = 82,125,793.21/x
  3. Step 3: Cross multiply
    117,517,869.33x = 162,003,738.84 × 82,125,793.21
  4. Step 4: Simplify right side
    117,517,869.33x = 13,304,685,555,220,684
  5. Step 5: Solve for x
    x = 13,304,685,555,220,684/117,517,869.33
  6. Step 6: Final answer
    x = 113,214,148.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.