Home / 100,093,960.28-138,135,357.05-56,040,573.71

Finding the Fourth Proportional to 100,093,960.28, 138,135,357.05 and 56,040,573.71

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Solution

The fourth proportional to 100,093,960.28, 138,135,357.05 and 56,040,573.71 is: 77,339,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,093,960.28 : 138,135,357.05 = 56,040,573.71 : x
  2. Step 2: Convert to fraction form
    100,093,960.28/138,135,357.05 = 56,040,573.71/x
  3. Step 3: Cross multiply
    100,093,960.28x = 138,135,357.05 × 56,040,573.71
  4. Step 4: Simplify right side
    100,093,960.28x = 7,741,184,657,746,813
  5. Step 5: Solve for x
    x = 7,741,184,657,746,813/100,093,960.28
  6. Step 6: Final answer
    x = 77,339,178.47

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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.