Home / 222,718,876.30-334,078,314.45-199,288,233.10

Finding the Fourth Proportional to 222,718,876.30, 334,078,314.45 and 199,288,233.10

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Solution

The fourth proportional to 222,718,876.30, 334,078,314.45 and 199,288,233.10 is: 298,932,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718,876.30 : 334,078,314.45 = 199,288,233.10 : x
  2. Step 2: Convert to fraction form
    222,718,876.30/334,078,314.45 = 199,288,233.10/x
  3. Step 3: Cross multiply
    222,718,876.30x = 334,078,314.45 × 199,288,233.10
  4. Step 4: Simplify right side
    222,718,876.30x = 66,577,877,003,766,696
  5. Step 5: Solve for x
    x = 66,577,877,003,766,696/222,718,876.30
  6. Step 6: Final answer
    x = 298,932,349.65

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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.