Home / 157,801,651.56-217,747,416.51-87,227,727.75

Finding the Fourth Proportional to 157,801,651.56, 217,747,416.51 and 87,227,727.75

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Solution

The fourth proportional to 157,801,651.56, 217,747,416.51 and 87,227,727.75 is: 120,363,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,801,651.56 : 217,747,416.51 = 87,227,727.75 : x
  2. Step 2: Convert to fraction form
    157,801,651.56/217,747,416.51 = 87,227,727.75/x
  3. Step 3: Cross multiply
    157,801,651.56x = 217,747,416.51 × 87,227,727.75
  4. Step 4: Simplify right side
    157,801,651.56x = 18,993,612,365,600,136
  5. Step 5: Solve for x
    x = 18,993,612,365,600,136/157,801,651.56
  6. Step 6: Final answer
    x = 120,363,837.63

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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.