Home / 68,079,218.78-93,936,472.85-40,579,705.82

Finding the Fourth Proportional to 68,079,218.78, 93,936,472.85 and 40,579,705.82

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Solution

The fourth proportional to 68,079,218.78, 93,936,472.85 and 40,579,705.82 is: 55,992,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,079,218.78 : 93,936,472.85 = 40,579,705.82 : x
  2. Step 2: Convert to fraction form
    68,079,218.78/93,936,472.85 = 40,579,705.82/x
  3. Step 3: Cross multiply
    68,079,218.78x = 93,936,472.85 × 40,579,705.82
  4. Step 4: Simplify right side
    68,079,218.78x = 3,811,914,433,601,054
  5. Step 5: Solve for x
    x = 3,811,914,433,601,054/68,079,218.78
  6. Step 6: Final answer
    x = 55,992,335.14

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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.