Home / 76,521,805.56-114,782,791.44-19,014,076.80

Finding the Fourth Proportional to 76,521,805.56, 114,782,791.44 and 19,014,076.80

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Solution

The fourth proportional to 76,521,805.56, 114,782,791.44 and 19,014,076.80 is: 28,521,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,521,805.56 : 114,782,791.44 = 19,014,076.80 : x
  2. Step 2: Convert to fraction form
    76,521,805.56/114,782,791.44 = 19,014,076.80/x
  3. Step 3: Cross multiply
    76,521,805.56x = 114,782,791.44 × 19,014,076.80
  4. Step 4: Simplify right side
    76,521,805.56x = 2,182,488,811,758,542.75
  5. Step 5: Solve for x
    x = 2,182,488,811,758,542.75/76,521,805.56
  6. Step 6: Final answer
    x = 28,521,135.85

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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.