Home / 99,987,141.28-149,949,697.82-35,275,813.60

Finding the Fourth Proportional to 99,987,141.28, 149,949,697.82 and 35,275,813.60

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Solution

The fourth proportional to 99,987,141.28, 149,949,697.82 and 35,275,813.60 is: 52,902,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,987,141.28 : 149,949,697.82 = 35,275,813.60 : x
  2. Step 2: Convert to fraction form
    99,987,141.28/149,949,697.82 = 35,275,813.60/x
  3. Step 3: Cross multiply
    99,987,141.28x = 149,949,697.82 × 35,275,813.60
  4. Step 4: Simplify right side
    99,987,141.28x = 5,289,597,589,674,646
  5. Step 5: Solve for x
    x = 5,289,597,589,674,646/99,987,141.28
  6. Step 6: Final answer
    x = 52,902,778.52

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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.