Home / 107,659,618.80-161,489,428.20-50,263,990.80

Finding the Fourth Proportional to 107,659,618.80, 161,489,428.20 and 50,263,990.80

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Solution

The fourth proportional to 107,659,618.80, 161,489,428.20 and 50,263,990.80 is: 75,395,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,659,618.80 : 161,489,428.20 = 50,263,990.80 : x
  2. Step 2: Convert to fraction form
    107,659,618.80/161,489,428.20 = 50,263,990.80/x
  3. Step 3: Cross multiply
    107,659,618.80x = 161,489,428.20 × 50,263,990.80
  4. Step 4: Simplify right side
    107,659,618.80x = 8,117,103,133,342,059
  5. Step 5: Solve for x
    x = 8,117,103,133,342,059/107,659,618.80
  6. Step 6: Final answer
    x = 75,395,986.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.