Home / 51,324,919.78-76,939,156.95-17,222,350.18

Finding the Fourth Proportional to 51,324,919.78, 76,939,156.95 and 17,222,350.18

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Solution

The fourth proportional to 51,324,919.78, 76,939,156.95 and 17,222,350.18 is: 25,817,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324,919.78 : 76,939,156.95 = 17,222,350.18 : x
  2. Step 2: Convert to fraction form
    51,324,919.78/76,939,156.95 = 17,222,350.18/x
  3. Step 3: Cross multiply
    51,324,919.78x = 76,939,156.95 × 17,222,350.18
  4. Step 4: Simplify right side
    51,324,919.78x = 1,325,073,103,546,880.75
  5. Step 5: Solve for x
    x = 1,325,073,103,546,880.75/51,324,919.78
  6. Step 6: Final answer
    x = 25,817,343.88

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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.