Home / 321,565,669.94-443,760,843.39-180,417,405.44

Finding the Fourth Proportional to 321,565,669.94, 443,760,843.39 and 180,417,405.44

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Solution

The fourth proportional to 321,565,669.94, 443,760,843.39 and 180,417,405.44 is: 248,976,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,565,669.94 : 443,760,843.39 = 180,417,405.44 : x
  2. Step 2: Convert to fraction form
    321,565,669.94/443,760,843.39 = 180,417,405.44/x
  3. Step 3: Cross multiply
    321,565,669.94x = 443,760,843.39 × 180,417,405.44
  4. Step 4: Simplify right side
    321,565,669.94x = 80,062,180,000,289,968
  5. Step 5: Solve for x
    x = 80,062,180,000,289,968/321,565,669.94
  6. Step 6: Final answer
    x = 248,976,142.31

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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.