Home / 99,798,361.28-137,856,535.32-75,204,452.56

Finding the Fourth Proportional to 99,798,361.28, 137,856,535.32 and 75,204,452.56

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Solution

The fourth proportional to 99,798,361.28, 137,856,535.32 and 75,204,452.56 is: 103,883,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,798,361.28 : 137,856,535.32 = 75,204,452.56 : x
  2. Step 2: Convert to fraction form
    99,798,361.28/137,856,535.32 = 75,204,452.56/x
  3. Step 3: Cross multiply
    99,798,361.28x = 137,856,535.32 × 75,204,452.56
  4. Step 4: Simplify right side
    99,798,361.28x = 10,367,425,270,558,904
  5. Step 5: Solve for x
    x = 10,367,425,270,558,904/99,798,361.28
  6. Step 6: Final answer
    x = 103,883,722.51

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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.