Home / 196,682,405.78-271,414,602.68-108,574,511.06

Finding the Fourth Proportional to 196,682,405.78, 271,414,602.68 and 108,574,511.06

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Solution

The fourth proportional to 196,682,405.78, 271,414,602.68 and 108,574,511.06 is: 149,828,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,682,405.78 : 271,414,602.68 = 108,574,511.06 : x
  2. Step 2: Convert to fraction form
    196,682,405.78/271,414,602.68 = 108,574,511.06/x
  3. Step 3: Cross multiply
    196,682,405.78x = 271,414,602.68 × 108,574,511.06
  4. Step 4: Simplify right side
    196,682,405.78x = 29,468,707,780,525,168
  5. Step 5: Solve for x
    x = 29,468,707,780,525,168/196,682,405.78
  6. Step 6: Final answer
    x = 149,828,896.30

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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.