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Finding the Fourth Proportional to 194,643,003.90, 271,990,022.10 and 194,643,003.90

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Solution

The fourth proportional to 194,643,003.90, 271,990,022.10 and 194,643,003.90 is: 271,990,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,643,003.90 : 271,990,022.10 = 194,643,003.90 : x
  2. Step 2: Convert to fraction form
    194,643,003.90/271,990,022.10 = 194,643,003.90/x
  3. Step 3: Cross multiply
    194,643,003.90x = 271,990,022.10 × 194,643,003.90
  4. Step 4: Simplify right side
    194,643,003.90x = 52,940,954,932,371,392
  5. Step 5: Solve for x
    x = 52,940,954,932,371,392/194,643,003.90
  6. Step 6: Final answer
    x = 271,990,022.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.