Home / 89,432,819.46-123,409,147.27-51,749,469.92

Finding the Fourth Proportional to 89,432,819.46, 123,409,147.27 and 51,749,469.92

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Solution

The fourth proportional to 89,432,819.46, 123,409,147.27 and 51,749,469.92 is: 71,409,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432,819.46 : 123,409,147.27 = 51,749,469.92 : x
  2. Step 2: Convert to fraction form
    89,432,819.46/123,409,147.27 = 51,749,469.92/x
  3. Step 3: Cross multiply
    89,432,819.46x = 123,409,147.27 × 51,749,469.92
  4. Step 4: Simplify right side
    89,432,819.46x = 6,386,357,954,431,127
  5. Step 5: Solve for x
    x = 6,386,357,954,431,127/89,432,819.46
  6. Step 6: Final answer
    x = 71,409,556.28

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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.