Home / 54,603,976,896.38-81,905,965,344.62-15,345,367,344.38

Finding the Fourth Proportional to 54,603,976,896.38, 81,905,965,344.62 and 15,345,367,344.38

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Solution

The fourth proportional to 54,603,976,896.38, 81,905,965,344.62 and 15,345,367,344.38 is: 23,018,051,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603,976,896.38 : 81,905,965,344.62 = 15,345,367,344.38 : x
  2. Step 2: Convert to fraction form
    54,603,976,896.38/81,905,965,344.62 = 15,345,367,344.38/x
  3. Step 3: Cross multiply
    54,603,976,896.38x = 81,905,965,344.62 × 15,345,367,344.38
  4. Step 4: Simplify right side
    54,603,976,896.38x = 1,256,877,125,909,251,620,864
  5. Step 5: Solve for x
    x = 1,256,877,125,909,251,620,864/54,603,976,896.38
  6. Step 6: Final answer
    x = 23,018,051,016.58

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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.