Home / 51,120,784.80-76,653,183.60-20,794,384.80

Finding the Fourth Proportional to 51,120,784.80, 76,653,183.60 and 20,794,384.80

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Solution

The fourth proportional to 51,120,784.80, 76,653,183.60 and 20,794,384.80 is: 31,180,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120,784.80 : 76,653,183.60 = 20,794,384.80 : x
  2. Step 2: Convert to fraction form
    51,120,784.80/76,653,183.60 = 20,794,384.80/x
  3. Step 3: Cross multiply
    51,120,784.80x = 76,653,183.60 × 20,794,384.80
  4. Step 4: Simplify right side
    51,120,784.80x = 1,593,955,795,923,449.25
  5. Step 5: Solve for x
    x = 1,593,955,795,923,449.25/51,120,784.80
  6. Step 6: Final answer
    x = 31,180,190.25

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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.