Home / 278,337,144.37-417,503,058.13-169,192,450.21

Finding the Fourth Proportional to 278,337,144.37, 417,503,058.13 and 169,192,450.21

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Solution

The fourth proportional to 278,337,144.37, 417,503,058.13 and 169,192,450.21 is: 253,787,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,337,144.37 : 417,503,058.13 = 169,192,450.21 : x
  2. Step 2: Convert to fraction form
    278,337,144.37/417,503,058.13 = 169,192,450.21/x
  3. Step 3: Cross multiply
    278,337,144.37x = 417,503,058.13 × 169,192,450.21
  4. Step 4: Simplify right side
    278,337,144.37x = 70,638,365,375,182,760
  5. Step 5: Solve for x
    x = 70,638,365,375,182,760/278,337,144.37
  6. Step 6: Final answer
    x = 253,787,059.34

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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.