Home / 51,221,634.66-76,832,583.21-20,929,497.66

Finding the Fourth Proportional to 51,221,634.66, 76,832,583.21 and 20,929,497.66

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Solution

The fourth proportional to 51,221,634.66, 76,832,583.21 and 20,929,497.66 is: 31,394,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221,634.66 : 76,832,583.21 = 20,929,497.66 : x
  2. Step 2: Convert to fraction form
    51,221,634.66/76,832,583.21 = 20,929,497.66/x
  3. Step 3: Cross multiply
    51,221,634.66x = 76,832,583.21 × 20,929,497.66
  4. Step 4: Simplify right side
    51,221,634.66x = 1,608,067,370,505,450.25
  5. Step 5: Solve for x
    x = 1,608,067,370,505,450.25/51,221,634.66
  6. Step 6: Final answer
    x = 31,394,300.11

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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.