Home / 150,200,369.28-225,377,382.15-71,505,803.79

Finding the Fourth Proportional to 150,200,369.28, 225,377,382.15 and 71,505,803.79

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Solution

The fourth proportional to 150,200,369.28, 225,377,382.15 and 71,505,803.79 is: 107,295,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,200,369.28 : 225,377,382.15 = 71,505,803.79 : x
  2. Step 2: Convert to fraction form
    150,200,369.28/225,377,382.15 = 71,505,803.79/x
  3. Step 3: Cross multiply
    150,200,369.28x = 225,377,382.15 × 71,505,803.79
  4. Step 4: Simplify right side
    150,200,369.28x = 16,115,790,866,721,750
  5. Step 5: Solve for x
    x = 16,115,790,866,721,750/150,200,369.28
  6. Step 6: Final answer
    x = 107,295,281.26

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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.