Home / 53,694,441.14-80,508,699.78-20,866,679.60

Finding the Fourth Proportional to 53,694,441.14, 80,508,699.78 and 20,866,679.60

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Solution

The fourth proportional to 53,694,441.14, 80,508,699.78 and 20,866,679.60 is: 31,287,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,694,441.14 : 80,508,699.78 = 20,866,679.60 : x
  2. Step 2: Convert to fraction form
    53,694,441.14/80,508,699.78 = 20,866,679.60/x
  3. Step 3: Cross multiply
    53,694,441.14x = 80,508,699.78 × 20,866,679.60
  4. Step 4: Simplify right side
    53,694,441.14x = 1,679,949,243,321,850.75
  5. Step 5: Solve for x
    x = 1,679,949,243,321,850.75/53,694,441.14
  6. Step 6: Final answer
    x = 31,287,209.77

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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.