Home / 303,162,913-418,339,392.42-179,381,901.16

Finding the Fourth Proportional to 303,162,913, 418,339,392.42 and 179,381,901.16

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Solution

The fourth proportional to 303,162,913, 418,339,392.42 and 179,381,901.16 is: 247,531,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,162,913 : 418,339,392.42 = 179,381,901.16 : x
  2. Step 2: Convert to fraction form
    303,162,913/418,339,392.42 = 179,381,901.16/x
  3. Step 3: Cross multiply
    303,162,913x = 418,339,392.42 × 179,381,901.16
  4. Step 4: Simplify right side
    303,162,913x = 75,042,515,542,418,896
  5. Step 5: Solve for x
    x = 75,042,515,542,418,896/303,162,913
  6. Step 6: Final answer
    x = 247,531,978.10

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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.