Home / 50,188,040.10-75,285,658.44-21,012,519.69

Finding the Fourth Proportional to 50,188,040.10, 75,285,658.44 and 21,012,519.69

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Solution

The fourth proportional to 50,188,040.10, 75,285,658.44 and 21,012,519.69 is: 31,520,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,040.10 : 75,285,658.44 = 21,012,519.69 : x
  2. Step 2: Convert to fraction form
    50,188,040.10/75,285,658.44 = 21,012,519.69/x
  3. Step 3: Cross multiply
    50,188,040.10x = 75,285,658.44 × 21,012,519.69
  4. Step 4: Simplify right side
    50,188,040.10x = 1,581,941,380,345,114.75
  5. Step 5: Solve for x
    x = 1,581,941,380,345,114.75/50,188,040.10
  6. Step 6: Final answer
    x = 31,520,286.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.