Home / 100,093,961.28-138,135,358.43-56,040,574.71

Finding the Fourth Proportional to 100,093,961.28, 138,135,358.43 and 56,040,574.71

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Solution

The fourth proportional to 100,093,961.28, 138,135,358.43 and 56,040,574.71 is: 77,339,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,093,961.28 : 138,135,358.43 = 56,040,574.71 : x
  2. Step 2: Convert to fraction form
    100,093,961.28/138,135,358.43 = 56,040,574.71/x
  3. Step 3: Cross multiply
    100,093,961.28x = 138,135,358.43 × 56,040,574.71
  4. Step 4: Simplify right side
    100,093,961.28x = 7,741,184,874,189,044
  5. Step 5: Solve for x
    x = 7,741,184,874,189,044/100,093,961.28
  6. Step 6: Final answer
    x = 77,339,179.86

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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.