Home / 278,337,144.87-417,503,058.89-169,192,450.71

Finding the Fourth Proportional to 278,337,144.87, 417,503,058.89 and 169,192,450.71

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Solution

The fourth proportional to 278,337,144.87, 417,503,058.89 and 169,192,450.71 is: 253,787,060.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,337,144.87 : 417,503,058.89 = 169,192,450.71 : x
  2. Step 2: Convert to fraction form
    278,337,144.87/417,503,058.89 = 169,192,450.71/x
  3. Step 3: Cross multiply
    278,337,144.87x = 417,503,058.89 × 169,192,450.71
  4. Step 4: Simplify right side
    278,337,144.87x = 70,638,365,711,674,592
  5. Step 5: Solve for x
    x = 70,638,365,711,674,592/278,337,144.87
  6. Step 6: Final answer
    x = 253,787,060.09

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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.