Home / 73,112,313,916.69-109,675,985,187.83-25,305,245,108.82

Finding the Fourth Proportional to 73,112,313,916.69, 109,675,985,187.83 and 25,305,245,108.82

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Solution

The fourth proportional to 73,112,313,916.69, 109,675,985,187.83 and 25,305,245,108.82 is: 37,960,468,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,112,313,916.69 : 109,675,985,187.83 = 25,305,245,108.82 : x
  2. Step 2: Convert to fraction form
    73,112,313,916.69/109,675,985,187.83 = 25,305,245,108.82/x
  3. Step 3: Cross multiply
    73,112,313,916.69x = 109,675,985,187.83 × 25,305,245,108.82
  4. Step 4: Simplify right side
    73,112,313,916.69x = 2,775,377,687,729,349,853,184
  5. Step 5: Solve for x
    x = 2,775,377,687,729,349,853,184/73,112,313,916.69
  6. Step 6: Final answer
    x = 37,960,468,477.19

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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.