Home / 57,731,103.54-79,668,288.60-31,268,799.02

Finding the Fourth Proportional to 57,731,103.54, 79,668,288.60 and 31,268,799.02

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Solution

The fourth proportional to 57,731,103.54, 79,668,288.60 and 31,268,799.02 is: 43,150,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731,103.54 : 79,668,288.60 = 31,268,799.02 : x
  2. Step 2: Convert to fraction form
    57,731,103.54/79,668,288.60 = 31,268,799.02/x
  3. Step 3: Cross multiply
    57,731,103.54x = 79,668,288.60 × 31,268,799.02
  4. Step 4: Simplify right side
    57,731,103.54x = 2,491,131,704,500,757
  5. Step 5: Solve for x
    x = 2,491,131,704,500,757/57,731,103.54
  6. Step 6: Final answer
    x = 43,150,599.10

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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.