Home / 75,385,243.73-113,084,378.78-20,797,829.33

Finding the Fourth Proportional to 75,385,243.73, 113,084,378.78 and 20,797,829.33

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Solution

The fourth proportional to 75,385,243.73, 113,084,378.78 and 20,797,829.33 is: 31,198,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385,243.73 : 113,084,378.78 = 20,797,829.33 : x
  2. Step 2: Convert to fraction form
    75,385,243.73/113,084,378.78 = 20,797,829.33/x
  3. Step 3: Cross multiply
    75,385,243.73x = 113,084,378.78 × 20,797,829.33
  4. Step 4: Simplify right side
    75,385,243.73x = 2,351,909,609,173,661.50
  5. Step 5: Solve for x
    x = 2,351,909,609,173,661.50/75,385,243.73
  6. Step 6: Final answer
    x = 31,198,540.89

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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.