Home / 57,731,087.34-79,668,266.31-31,268,782.89

Finding the Fourth Proportional to 57,731,087.34, 79,668,266.31 and 31,268,782.89

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Solution

The fourth proportional to 57,731,087.34, 79,668,266.31 and 31,268,782.89 is: 43,150,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731,087.34 : 79,668,266.31 = 31,268,782.89 : x
  2. Step 2: Convert to fraction form
    57,731,087.34/79,668,266.31 = 31,268,782.89/x
  3. Step 3: Cross multiply
    57,731,087.34x = 79,668,266.31 × 31,268,782.89
  4. Step 4: Simplify right side
    57,731,087.34x = 2,491,129,722,470,091.50
  5. Step 5: Solve for x
    x = 2,491,129,722,470,091.50/57,731,087.34
  6. Step 6: Final answer
    x = 43,150,576.88

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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.