Home / 324,247,448.12-486,372,309-78,603,083.24

Finding the Fourth Proportional to 324,247,448.12, 486,372,309 and 78,603,083.24

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Solution

The fourth proportional to 324,247,448.12, 486,372,309 and 78,603,083.24 is: 117,904,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,247,448.12 : 486,372,309 = 78,603,083.24 : x
  2. Step 2: Convert to fraction form
    324,247,448.12/486,372,309 = 78,603,083.24/x
  3. Step 3: Cross multiply
    324,247,448.12x = 486,372,309 × 78,603,083.24
  4. Step 4: Simplify right side
    324,247,448.12x = 38,230,363,089,958,000
  5. Step 5: Solve for x
    x = 38,230,363,089,958,000/324,247,448.12
  6. Step 6: Final answer
    x = 117,904,900.44

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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.