Home / 203,936,422.05-305,686,839.61-116,309,256.43

Finding the Fourth Proportional to 203,936,422.05, 305,686,839.61 and 116,309,256.43

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Solution

The fourth proportional to 203,936,422.05, 305,686,839.61 and 116,309,256.43 is: 174,339,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,936,422.05 : 305,686,839.61 = 116,309,256.43 : x
  2. Step 2: Convert to fraction form
    203,936,422.05/305,686,839.61 = 116,309,256.43/x
  3. Step 3: Cross multiply
    203,936,422.05x = 305,686,839.61 × 116,309,256.43
  4. Step 4: Simplify right side
    203,936,422.05x = 35,554,209,016,148,656
  5. Step 5: Solve for x
    x = 35,554,209,016,148,656/203,936,422.05
  6. Step 6: Final answer
    x = 174,339,672.43

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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.