Home / 222,718,839.80-334,078,259.70-199,288,196.60

Finding the Fourth Proportional to 222,718,839.80, 334,078,259.70 and 199,288,196.60

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Solution

The fourth proportional to 222,718,839.80, 334,078,259.70 and 199,288,196.60 is: 298,932,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718,839.80 : 334,078,259.70 = 199,288,196.60 : x
  2. Step 2: Convert to fraction form
    222,718,839.80/334,078,259.70 = 199,288,196.60/x
  3. Step 3: Cross multiply
    222,718,839.80x = 334,078,259.70 × 199,288,196.60
  4. Step 4: Simplify right side
    222,718,839.80x = 66,577,853,898,879,456
  5. Step 5: Solve for x
    x = 66,577,853,898,879,456/222,718,839.80
  6. Step 6: Final answer
    x = 298,932,294.90

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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.