Home / 57,731,096.78-79,668,279.30-31,268,792.26

Finding the Fourth Proportional to 57,731,096.78, 79,668,279.30 and 31,268,792.26

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Solution

The fourth proportional to 57,731,096.78, 79,668,279.30 and 31,268,792.26 is: 43,150,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731,096.78 : 79,668,279.30 = 31,268,792.26 : x
  2. Step 2: Convert to fraction form
    57,731,096.78/79,668,279.30 = 31,268,792.26/x
  3. Step 3: Cross multiply
    57,731,096.78x = 79,668,279.30 × 31,268,792.26
  4. Step 4: Simplify right side
    57,731,096.78x = 2,491,130,874,588,673
  5. Step 5: Solve for x
    x = 2,491,130,874,588,673/57,731,096.78
  6. Step 6: Final answer
    x = 43,150,589.78

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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.