Home / 80,802,628.36-111,504,405.54-45,519,611.56

Finding the Fourth Proportional to 80,802,628.36, 111,504,405.54 and 45,519,611.56

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Solution

The fourth proportional to 80,802,628.36, 111,504,405.54 and 45,519,611.56 is: 62,815,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,802,628.36 : 111,504,405.54 = 45,519,611.56 : x
  2. Step 2: Convert to fraction form
    80,802,628.36/111,504,405.54 = 45,519,611.56/x
  3. Step 3: Cross multiply
    80,802,628.36x = 111,504,405.54 × 45,519,611.56
  4. Step 4: Simplify right side
    80,802,628.36x = 5,075,637,227,409,513
  5. Step 5: Solve for x
    x = 5,075,637,227,409,513/80,802,628.36
  6. Step 6: Final answer
    x = 62,815,249.09

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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.