Home / 68,379,145.39-94,363,249.78-37,017,193.51

Finding the Fourth Proportional to 68,379,145.39, 94,363,249.78 and 37,017,193.51

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Solution

The fourth proportional to 68,379,145.39, 94,363,249.78 and 37,017,193.51 is: 51,083,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,379,145.39 : 94,363,249.78 = 37,017,193.51 : x
  2. Step 2: Convert to fraction form
    68,379,145.39/94,363,249.78 = 37,017,193.51/x
  3. Step 3: Cross multiply
    68,379,145.39x = 94,363,249.78 × 37,017,193.51
  4. Step 4: Simplify right side
    68,379,145.39x = 3,493,062,677,338,725
  5. Step 5: Solve for x
    x = 3,493,062,677,338,725/68,379,145.39
  6. Step 6: Final answer
    x = 51,083,742.82

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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.