Home / 91,755,622.80-126,621,785.52-50,501,629.44

Finding the Fourth Proportional to 91,755,622.80, 126,621,785.52 and 50,501,629.44

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Solution

The fourth proportional to 91,755,622.80, 126,621,785.52 and 50,501,629.44 is: 69,691,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,755,622.80 : 126,621,785.52 = 50,501,629.44 : x
  2. Step 2: Convert to fraction form
    91,755,622.80/126,621,785.52 = 50,501,629.44/x
  3. Step 3: Cross multiply
    91,755,622.80x = 126,621,785.52 × 50,501,629.44
  4. Step 4: Simplify right side
    91,755,622.80x = 6,394,606,491,362,197
  5. Step 5: Solve for x
    x = 6,394,606,491,362,197/91,755,622.80
  6. Step 6: Final answer
    x = 69,691,712.58

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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.