Home / 51,120,634.80-76,652,958.60-20,794,234.80

Finding the Fourth Proportional to 51,120,634.80, 76,652,958.60 and 20,794,234.80

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Solution

The fourth proportional to 51,120,634.80, 76,652,958.60 and 20,794,234.80 is: 31,179,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120,634.80 : 76,652,958.60 = 20,794,234.80 : x
  2. Step 2: Convert to fraction form
    51,120,634.80/76,652,958.60 = 20,794,234.80/x
  3. Step 3: Cross multiply
    51,120,634.80x = 76,652,958.60 × 20,794,234.80
  4. Step 4: Simplify right side
    51,120,634.80x = 1,593,939,619,243,079.25
  5. Step 5: Solve for x
    x = 1,593,939,619,243,079.25/51,120,634.80
  6. Step 6: Final answer
    x = 31,179,965.30

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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.