Home / 65,321,855.28-90,144,154.86-35,552,716.48

Finding the Fourth Proportional to 65,321,855.28, 90,144,154.86 and 35,552,716.48

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Solution

The fourth proportional to 65,321,855.28, 90,144,154.86 and 35,552,716.48 is: 49,062,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,321,855.28 : 90,144,154.86 = 35,552,716.48 : x
  2. Step 2: Convert to fraction form
    65,321,855.28/90,144,154.86 = 35,552,716.48/x
  3. Step 3: Cross multiply
    65,321,855.28x = 90,144,154.86 × 35,552,716.48
  4. Step 4: Simplify right side
    65,321,855.28x = 3,204,869,580,066,794
  5. Step 5: Solve for x
    x = 3,204,869,580,066,794/65,321,855.28
  6. Step 6: Final answer
    x = 49,062,745.79

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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.