Home / 281,569,944.78-422,355,704.55-87,509,736.54

Finding the Fourth Proportional to 281,569,944.78, 422,355,704.55 and 87,509,736.54

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Solution

The fourth proportional to 281,569,944.78, 422,355,704.55 and 87,509,736.54 is: 131,264,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,569,944.78 : 422,355,704.55 = 87,509,736.54 : x
  2. Step 2: Convert to fraction form
    281,569,944.78/422,355,704.55 = 87,509,736.54/x
  3. Step 3: Cross multiply
    281,569,944.78x = 422,355,704.55 × 87,509,736.54
  4. Step 4: Simplify right side
    281,569,944.78x = 36,960,236,431,336,584
  5. Step 5: Solve for x
    x = 36,960,236,431,336,584/281,569,944.78
  6. Step 6: Final answer
    x = 131,264,849.52

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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.