Home / 57,882,821.12-79,879,229.12-31,779,745.28

Finding the Fourth Proportional to 57,882,821.12, 79,879,229.12 and 31,779,745.28

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Solution

The fourth proportional to 57,882,821.12, 79,879,229.12 and 31,779,745.28 is: 43,856,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,882,821.12 : 79,879,229.12 = 31,779,745.28 : x
  2. Step 2: Convert to fraction form
    57,882,821.12/79,879,229.12 = 31,779,745.28/x
  3. Step 3: Cross multiply
    57,882,821.12x = 79,879,229.12 × 31,779,745.28
  4. Step 4: Simplify right side
    57,882,821.12x = 2,538,541,554,596,359
  5. Step 5: Solve for x
    x = 2,538,541,554,596,359/57,882,821.12
  6. Step 6: Final answer
    x = 43,856,562.37

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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.