Home / 275,627,938.46-380,361,745.01-150,181,172.78

Finding the Fourth Proportional to 275,627,938.46, 380,361,745.01 and 150,181,172.78

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Solution

The fourth proportional to 275,627,938.46, 380,361,745.01 and 150,181,172.78 is: 207,247,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,627,938.46 : 380,361,745.01 = 150,181,172.78 : x
  2. Step 2: Convert to fraction form
    275,627,938.46/380,361,745.01 = 150,181,172.78/x
  3. Step 3: Cross multiply
    275,627,938.46x = 380,361,745.01 × 150,181,172.78
  4. Step 4: Simplify right side
    275,627,938.46x = 57,123,172,945,795,368
  5. Step 5: Solve for x
    x = 57,123,172,945,795,368/275,627,938.46
  6. Step 6: Final answer
    x = 207,247,397.58

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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.