Home / 57,557,270.22-79,429,239.24-31,451,787.78

Finding the Fourth Proportional to 57,557,270.22, 79,429,239.24 and 31,451,787.78

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Solution

The fourth proportional to 57,557,270.22, 79,429,239.24 and 31,451,787.78 is: 43,403,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,557,270.22 : 79,429,239.24 = 31,451,787.78 : x
  2. Step 2: Convert to fraction form
    57,557,270.22/79,429,239.24 = 31,451,787.78/x
  3. Step 3: Cross multiply
    57,557,270.22x = 79,429,239.24 × 31,451,787.78
  4. Step 4: Simplify right side
    57,557,270.22x = 2,498,191,576,103,328.50
  5. Step 5: Solve for x
    x = 2,498,191,576,103,328.50/57,557,270.22
  6. Step 6: Final answer
    x = 43,403,579.89

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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.