Home / 300,726,649.14-451,090,360.13-82,378,911.66

Finding the Fourth Proportional to 300,726,649.14, 451,090,360.13 and 82,378,911.66

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Solution

The fourth proportional to 300,726,649.14, 451,090,360.13 and 82,378,911.66 is: 123,568,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,726,649.14 : 451,090,360.13 = 82,378,911.66 : x
  2. Step 2: Convert to fraction form
    300,726,649.14/451,090,360.13 = 82,378,911.66/x
  3. Step 3: Cross multiply
    300,726,649.14x = 451,090,360.13 × 82,378,911.66
  4. Step 4: Simplify right side
    300,726,649.14x = 37,160,332,927,414,960
  5. Step 5: Solve for x
    x = 37,160,332,927,414,960/300,726,649.14
  6. Step 6: Final answer
    x = 123,568,473.34

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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.