Home / 90,318,200.99-124,629,121.40-50,083,185.33

Finding the Fourth Proportional to 90,318,200.99, 124,629,121.40 and 50,083,185.33

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Solution

The fourth proportional to 90,318,200.99, 124,629,121.40 and 50,083,185.33 is: 69,109,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,318,200.99 : 124,629,121.40 = 50,083,185.33 : x
  2. Step 2: Convert to fraction form
    90,318,200.99/124,629,121.40 = 50,083,185.33/x
  3. Step 3: Cross multiply
    90,318,200.99x = 124,629,121.40 × 50,083,185.33
  4. Step 4: Simplify right side
    90,318,200.99x = 6,241,823,384,340,853
  5. Step 5: Solve for x
    x = 6,241,823,384,340,853/90,318,200.99
  6. Step 6: Final answer
    x = 69,109,252.80

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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.