Home / 123,567,940.80-185,351,911.20-31,451,500.80

Finding the Fourth Proportional to 123,567,940.80, 185,351,911.20 and 31,451,500.80

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Solution

The fourth proportional to 123,567,940.80, 185,351,911.20 and 31,451,500.80 is: 47,177,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,567,940.80 : 185,351,911.20 = 31,451,500.80 : x
  2. Step 2: Convert to fraction form
    123,567,940.80/185,351,911.20 = 31,451,500.80/x
  3. Step 3: Cross multiply
    123,567,940.80x = 185,351,911.20 × 31,451,500.80
  4. Step 4: Simplify right side
    123,567,940.80x = 5,829,595,783,388,329
  5. Step 5: Solve for x
    x = 5,829,595,783,388,329/123,567,940.80
  6. Step 6: Final answer
    x = 47,177,251.20

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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.