Home / 115,476,353.28-173,162,759.04-68,811,847.20

Finding the Fourth Proportional to 115,476,353.28, 173,162,759.04 and 68,811,847.20

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Solution

The fourth proportional to 115,476,353.28, 173,162,759.04 and 68,811,847.20 is: 103,186,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,476,353.28 : 173,162,759.04 = 68,811,847.20 : x
  2. Step 2: Convert to fraction form
    115,476,353.28/173,162,759.04 = 68,811,847.20/x
  3. Step 3: Cross multiply
    115,476,353.28x = 173,162,759.04 × 68,811,847.20
  4. Step 4: Simplify right side
    115,476,353.28x = 11,915,649,315,790,898
  5. Step 5: Solve for x
    x = 11,915,649,315,790,898/115,476,353.28
  6. Step 6: Final answer
    x = 103,186,920.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.