Home / 112,192,631.76-154,867,147.56-67,540,680.03

Finding the Fourth Proportional to 112,192,631.76, 154,867,147.56 and 67,540,680.03

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Solution

The fourth proportional to 112,192,631.76, 154,867,147.56 and 67,540,680.03 is: 93,231,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192,631.76 : 154,867,147.56 = 67,540,680.03 : x
  2. Step 2: Convert to fraction form
    112,192,631.76/154,867,147.56 = 67,540,680.03/x
  3. Step 3: Cross multiply
    112,192,631.76x = 154,867,147.56 × 67,540,680.03
  4. Step 4: Simplify right side
    112,192,631.76x = 10,459,832,460,508,756
  5. Step 5: Solve for x
    x = 10,459,832,460,508,756/112,192,631.76
  6. Step 6: Final answer
    x = 93,231,010.78

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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.