Home / 57,321,821.66-79,100,530.71-31,567,709.66

Finding the Fourth Proportional to 57,321,821.66, 79,100,530.71 and 31,567,709.66

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Solution

The fourth proportional to 57,321,821.66, 79,100,530.71 and 31,567,709.66 is: 43,561,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321,821.66 : 79,100,530.71 = 31,567,709.66 : x
  2. Step 2: Convert to fraction form
    57,321,821.66/79,100,530.71 = 31,567,709.66/x
  3. Step 3: Cross multiply
    57,321,821.66x = 79,100,530.71 × 31,567,709.66
  4. Step 4: Simplify right side
    57,321,821.66x = 2,497,022,587,405,193.50
  5. Step 5: Solve for x
    x = 2,497,022,587,405,193.50/57,321,821.66
  6. Step 6: Final answer
    x = 43,561,466.04

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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.