Home / 194,971,985.49-269,090,217.87-123,451,514.73

Finding the Fourth Proportional to 194,971,985.49, 269,090,217.87 and 123,451,514.73

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Solution

The fourth proportional to 194,971,985.49, 269,090,217.87 and 123,451,514.73 is: 170,381,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971,985.49 : 269,090,217.87 = 123,451,514.73 : x
  2. Step 2: Convert to fraction form
    194,971,985.49/269,090,217.87 = 123,451,514.73/x
  3. Step 3: Cross multiply
    194,971,985.49x = 269,090,217.87 × 123,451,514.73
  4. Step 4: Simplify right side
    194,971,985.49x = 33,219,594,995,077,216
  5. Step 5: Solve for x
    x = 33,219,594,995,077,216/194,971,985.49
  6. Step 6: Final answer
    x = 170,381,375.11

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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.