Home / 76,149,616.80-114,289,743.60-30,743,997.60

Finding the Fourth Proportional to 76,149,616.80, 114,289,743.60 and 30,743,997.60

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Solution

The fourth proportional to 76,149,616.80, 114,289,743.60 and 30,743,997.60 is: 46,142,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,149,616.80 : 114,289,743.60 = 30,743,997.60 : x
  2. Step 2: Convert to fraction form
    76,149,616.80/114,289,743.60 = 30,743,997.60/x
  3. Step 3: Cross multiply
    76,149,616.80x = 114,289,743.60 × 30,743,997.60
  4. Step 4: Simplify right side
    76,149,616.80x = 3,513,723,602,943,015.50
  5. Step 5: Solve for x
    x = 3,513,723,602,943,015.50/76,149,616.80
  6. Step 6: Final answer
    x = 46,142,367.49

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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.