Home / 278,337,181.38-417,503,113.58-169,192,487.22

Finding the Fourth Proportional to 278,337,181.38, 417,503,113.58 and 169,192,487.22

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Solution

The fourth proportional to 278,337,181.38, 417,503,113.58 and 169,192,487.22 is: 253,787,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,337,181.38 : 417,503,113.58 = 169,192,487.22 : x
  2. Step 2: Convert to fraction form
    278,337,181.38/417,503,113.58 = 169,192,487.22/x
  3. Step 3: Cross multiply
    278,337,181.38x = 417,503,113.58 × 169,192,487.22
  4. Step 4: Simplify right side
    278,337,181.38x = 70,638,390,208,694,352
  5. Step 5: Solve for x
    x = 70,638,390,208,694,352/278,337,181.38
  6. Step 6: Final answer
    x = 253,787,114.82

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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.