Home / 112,645,971.48-169,040,034.72-47,949,670.92

Finding the Fourth Proportional to 112,645,971.48, 169,040,034.72 and 47,949,670.92

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Solution

The fourth proportional to 112,645,971.48, 169,040,034.72 and 47,949,670.92 is: 71,954,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,645,971.48 : 169,040,034.72 = 47,949,670.92 : x
  2. Step 2: Convert to fraction form
    112,645,971.48/169,040,034.72 = 47,949,670.92/x
  3. Step 3: Cross multiply
    112,645,971.48x = 169,040,034.72 × 47,949,670.92
  4. Step 4: Simplify right side
    112,645,971.48x = 8,105,414,037,129,375
  5. Step 5: Solve for x
    x = 8,105,414,037,129,375/112,645,971.48
  6. Step 6: Final answer
    x = 71,954,761.73

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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.