Home / 76,115,991-105,040,122.30-41,308,672.44

Finding the Fourth Proportional to 76,115,991, 105,040,122.30 and 41,308,672.44

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Solution

The fourth proportional to 76,115,991, 105,040,122.30 and 41,308,672.44 is: 57,005,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,115,991 : 105,040,122.30 = 41,308,672.44 : x
  2. Step 2: Convert to fraction form
    76,115,991/105,040,122.30 = 41,308,672.44/x
  3. Step 3: Cross multiply
    76,115,991x = 105,040,122.30 × 41,308,672.44
  4. Step 4: Simplify right side
    76,115,991x = 4,339,068,005,148,239
  5. Step 5: Solve for x
    x = 4,339,068,005,148,239/76,115,991
  6. Step 6: Final answer
    x = 57,005,997.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.