Home / 251,241,122.16-376,861,819.92-78,731,436.96

Finding the Fourth Proportional to 251,241,122.16, 376,861,819.92 and 78,731,436.96

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Solution

The fourth proportional to 251,241,122.16, 376,861,819.92 and 78,731,436.96 is: 118,097,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,241,122.16 : 376,861,819.92 = 78,731,436.96 : x
  2. Step 2: Convert to fraction form
    251,241,122.16/376,861,819.92 = 78,731,436.96/x
  3. Step 3: Cross multiply
    251,241,122.16x = 376,861,819.92 × 78,731,436.96
  4. Step 4: Simplify right side
    251,241,122.16x = 29,670,872,617,662,352
  5. Step 5: Solve for x
    x = 29,670,872,617,662,352/251,241,122.16
  6. Step 6: Final answer
    x = 118,097,198.27

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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.