Home / 53,753,228.80-80,629,843.20-31,078,412.80

Finding the Fourth Proportional to 53,753,228.80, 80,629,843.20 and 31,078,412.80

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Solution

The fourth proportional to 53,753,228.80, 80,629,843.20 and 31,078,412.80 is: 46,617,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753,228.80 : 80,629,843.20 = 31,078,412.80 : x
  2. Step 2: Convert to fraction form
    53,753,228.80/80,629,843.20 = 31,078,412.80/x
  3. Step 3: Cross multiply
    53,753,228.80x = 80,629,843.20 × 31,078,412.80
  4. Step 4: Simplify right side
    53,753,228.80x = 2,505,847,550,968,873
  5. Step 5: Solve for x
    x = 2,505,847,550,968,873/53,753,228.80
  6. Step 6: Final answer
    x = 46,617,619.20

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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.