Home / 321,354,043.76-443,517,056.07-195,978,976.22

Finding the Fourth Proportional to 321,354,043.76, 443,517,056.07 and 195,978,976.22

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Solution

The fourth proportional to 321,354,043.76, 443,517,056.07 and 195,978,976.22 is: 270,480,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,354,043.76 : 443,517,056.07 = 195,978,976.22 : x
  2. Step 2: Convert to fraction form
    321,354,043.76/443,517,056.07 = 195,978,976.22/x
  3. Step 3: Cross multiply
    321,354,043.76x = 443,517,056.07 × 195,978,976.22
  4. Step 4: Simplify right side
    321,354,043.76x = 86,920,018,584,706,928
  5. Step 5: Solve for x
    x = 86,920,018,584,706,928/321,354,043.76
  6. Step 6: Final answer
    x = 270,480,550.26

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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.