Home / 77,121,857.23-106,428,369.27-41,839,662.23

Finding the Fourth Proportional to 77,121,857.23, 106,428,369.27 and 41,839,662.23

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Solution

The fourth proportional to 77,121,857.23, 106,428,369.27 and 41,839,662.23 is: 57,738,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,121,857.23 : 106,428,369.27 = 41,839,662.23 : x
  2. Step 2: Convert to fraction form
    77,121,857.23/106,428,369.27 = 41,839,662.23/x
  3. Step 3: Cross multiply
    77,121,857.23x = 106,428,369.27 × 41,839,662.23
  4. Step 4: Simplify right side
    77,121,857.23x = 4,452,927,022,170,376.50
  5. Step 5: Solve for x
    x = 4,452,927,022,170,376.50/77,121,857.23
  6. Step 6: Final answer
    x = 57,738,845.80

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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.