Home / 222,912,197.20-334,368,295.80-199,103,640.40

Finding the Fourth Proportional to 222,912,197.20, 334,368,295.80 and 199,103,640.40

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Solution

The fourth proportional to 222,912,197.20, 334,368,295.80 and 199,103,640.40 is: 298,655,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,912,197.20 : 334,368,295.80 = 199,103,640.40 : x
  2. Step 2: Convert to fraction form
    222,912,197.20/334,368,295.80 = 199,103,640.40/x
  3. Step 3: Cross multiply
    222,912,197.20x = 334,368,295.80 × 199,103,640.40
  4. Step 4: Simplify right side
    222,912,197.20x = 66,573,944,928,124,032
  5. Step 5: Solve for x
    x = 66,573,944,928,124,032/222,912,197.20
  6. Step 6: Final answer
    x = 298,655,460.60

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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.