Home / 57,721,415.49-79,654,568.83-31,259,554.38

Finding the Fourth Proportional to 57,721,415.49, 79,654,568.83 and 31,259,554.38

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Solution

The fourth proportional to 57,721,415.49, 79,654,568.83 and 31,259,554.38 is: 43,137,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721,415.49 : 79,654,568.83 = 31,259,554.38 : x
  2. Step 2: Convert to fraction form
    57,721,415.49/79,654,568.83 = 31,259,554.38/x
  3. Step 3: Cross multiply
    57,721,415.49x = 79,654,568.83 × 31,259,554.38
  4. Step 4: Simplify right side
    57,721,415.49x = 2,489,966,325,956,838
  5. Step 5: Solve for x
    x = 2,489,966,325,956,838/57,721,415.49
  6. Step 6: Final answer
    x = 43,137,651.85

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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.