Home / 194,971,979.66-269,090,209.86-123,451,508.92

Finding the Fourth Proportional to 194,971,979.66, 269,090,209.86 and 123,451,508.92

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Solution

The fourth proportional to 194,971,979.66, 269,090,209.86 and 123,451,508.92 is: 170,381,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971,979.66 : 269,090,209.86 = 123,451,508.92 : x
  2. Step 2: Convert to fraction form
    194,971,979.66/269,090,209.86 = 123,451,508.92/x
  3. Step 3: Cross multiply
    194,971,979.66x = 269,090,209.86 × 123,451,508.92
  4. Step 4: Simplify right side
    194,971,979.66x = 33,219,592,442,816,464
  5. Step 5: Solve for x
    x = 33,219,592,442,816,464/194,971,979.66
  6. Step 6: Final answer
    x = 170,381,367.11

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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.