Home / 67,131,012.80-100,602,040.80-49,723,367.60

Finding the Fourth Proportional to 67,131,012.80, 100,602,040.80 and 49,723,367.60

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Solution

The fourth proportional to 67,131,012.80, 100,602,040.80 and 49,723,367.60 is: 74,515,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131,012.80 : 100,602,040.80 = 49,723,367.60 : x
  2. Step 2: Convert to fraction form
    67,131,012.80/100,602,040.80 = 49,723,367.60/x
  3. Step 3: Cross multiply
    67,131,012.80x = 100,602,040.80 × 49,723,367.60
  4. Step 4: Simplify right side
    67,131,012.80x = 5,002,272,256,008,598
  5. Step 5: Solve for x
    x = 5,002,272,256,008,598/67,131,012.80
  6. Step 6: Final answer
    x = 74,515,072.06

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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.