Home / 202,990,672.62-280,127,404.89-110,171,181.78

Finding the Fourth Proportional to 202,990,672.62, 280,127,404.89 and 110,171,181.78

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Solution

The fourth proportional to 202,990,672.62, 280,127,404.89 and 110,171,181.78 is: 152,036,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,990,672.62 : 280,127,404.89 = 110,171,181.78 : x
  2. Step 2: Convert to fraction form
    202,990,672.62/280,127,404.89 = 110,171,181.78/x
  3. Step 3: Cross multiply
    202,990,672.62x = 280,127,404.89 × 110,171,181.78
  4. Step 4: Simplify right side
    202,990,672.62x = 30,861,967,245,695,848
  5. Step 5: Solve for x
    x = 30,861,967,245,695,848/202,990,672.62
  6. Step 6: Final answer
    x = 152,036,381.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.