Home / 81,629,477.37-112,723,540.04-51,869,933.64

Finding the Fourth Proportional to 81,629,477.37, 112,723,540.04 and 51,869,933.64

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Solution

The fourth proportional to 81,629,477.37, 112,723,540.04 and 51,869,933.64 is: 71,628,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,629,477.37 : 112,723,540.04 = 51,869,933.64 : x
  2. Step 2: Convert to fraction form
    81,629,477.37/112,723,540.04 = 51,869,933.64/x
  3. Step 3: Cross multiply
    81,629,477.37x = 112,723,540.04 × 51,869,933.64
  4. Step 4: Simplify right side
    81,629,477.37x = 5,846,962,541,281,333
  5. Step 5: Solve for x
    x = 5,846,962,541,281,333/81,629,477.37
  6. Step 6: Final answer
    x = 71,628,077.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.