Home / 119,555,136.78-164,980,991.19-66,629,028.16

Finding the Fourth Proportional to 119,555,136.78, 164,980,991.19 and 66,629,028.16

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Solution

The fourth proportional to 119,555,136.78, 164,980,991.19 and 66,629,028.16 is: 91,945,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555,136.78 : 164,980,991.19 = 66,629,028.16 : x
  2. Step 2: Convert to fraction form
    119,555,136.78/164,980,991.19 = 66,629,028.16/x
  3. Step 3: Cross multiply
    119,555,136.78x = 164,980,991.19 × 66,629,028.16
  4. Step 4: Simplify right side
    119,555,136.78x = 10,992,523,107,863,222
  5. Step 5: Solve for x
    x = 10,992,523,107,863,222/119,555,136.78
  6. Step 6: Final answer
    x = 91,945,217.95

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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.