Home / 57,882,791.54-79,879,188.21-31,779,715.70

Finding the Fourth Proportional to 57,882,791.54, 79,879,188.21 and 31,779,715.70

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Solution

The fourth proportional to 57,882,791.54, 79,879,188.21 and 31,779,715.70 is: 43,856,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,882,791.54 : 79,879,188.21 = 31,779,715.70 : x
  2. Step 2: Convert to fraction form
    57,882,791.54/79,879,188.21 = 31,779,715.70/x
  3. Step 3: Cross multiply
    57,882,791.54x = 79,879,188.21 × 31,779,715.70
  4. Step 4: Simplify right side
    57,882,791.54x = 2,538,537,891,660,591.50
  5. Step 5: Solve for x
    x = 2,538,537,891,660,591.50/57,882,791.54
  6. Step 6: Final answer
    x = 43,856,521.50

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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.