Home / 100,468,052.61-150,482,361.26-71,233,275.54

Finding the Fourth Proportional to 100,468,052.61, 150,482,361.26 and 71,233,275.54

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Solution

The fourth proportional to 100,468,052.61, 150,482,361.26 and 71,233,275.54 is: 106,694,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,468,052.61 : 150,482,361.26 = 71,233,275.54 : x
  2. Step 2: Convert to fraction form
    100,468,052.61/150,482,361.26 = 71,233,275.54/x
  3. Step 3: Cross multiply
    100,468,052.61x = 150,482,361.26 × 71,233,275.54
  4. Step 4: Simplify right side
    100,468,052.61x = 10,719,351,503,187,236
  5. Step 5: Solve for x
    x = 10,719,351,503,187,236/100,468,052.61
  6. Step 6: Final answer
    x = 106,694,130.37

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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.