Home / 76,149,617.80-114,289,745.10-30,743,998.60

Finding the Fourth Proportional to 76,149,617.80, 114,289,745.10 and 30,743,998.60

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Solution

The fourth proportional to 76,149,617.80, 114,289,745.10 and 30,743,998.60 is: 46,142,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,149,617.80 : 114,289,745.10 = 30,743,998.60 : x
  2. Step 2: Convert to fraction form
    76,149,617.80/114,289,745.10 = 30,743,998.60/x
  3. Step 3: Cross multiply
    76,149,617.80x = 114,289,745.10 × 30,743,998.60
  4. Step 4: Simplify right side
    76,149,617.80x = 3,513,723,763,348,757
  5. Step 5: Solve for x
    x = 3,513,723,763,348,757/76,149,617.80
  6. Step 6: Final answer
    x = 46,142,368.99

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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.