Home / 319,324,471.43-440,666,944.14-178,194,207.15

Finding the Fourth Proportional to 319,324,471.43, 440,666,944.14 and 178,194,207.15

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Solution

The fourth proportional to 319,324,471.43, 440,666,944.14 and 178,194,207.15 is: 245,907,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,324,471.43 : 440,666,944.14 = 178,194,207.15 : x
  2. Step 2: Convert to fraction form
    319,324,471.43/440,666,944.14 = 178,194,207.15/x
  3. Step 3: Cross multiply
    319,324,471.43x = 440,666,944.14 × 178,194,207.15
  4. Step 4: Simplify right side
    319,324,471.43x = 78,524,296,728,240,640
  5. Step 5: Solve for x
    x = 78,524,296,728,240,640/319,324,471.43
  6. Step 6: Final answer
    x = 245,907,544.69

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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.