Home / 51,222,040.20-76,833,190.44-20,929,903.20

Finding the Fourth Proportional to 51,222,040.20, 76,833,190.44 and 20,929,903.20

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Solution

The fourth proportional to 51,222,040.20, 76,833,190.44 and 20,929,903.20 is: 31,394,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,040.20 : 76,833,190.44 = 20,929,903.20 : x
  2. Step 2: Convert to fraction form
    51,222,040.20/76,833,190.44 = 20,929,903.20/x
  3. Step 3: Cross multiply
    51,222,040.20x = 76,833,190.44 × 20,929,903.20
  4. Step 4: Simplify right side
    51,222,040.20x = 1,608,111,238,456,365.25
  5. Step 5: Solve for x
    x = 1,608,111,238,456,365.25/51,222,040.20
  6. Step 6: Final answer
    x = 31,394,907.98

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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.