Home / 161,856,978.28-242,956,579.74-158,201,713

Finding the Fourth Proportional to 161,856,978.28, 242,956,579.74 and 158,201,713

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Solution

The fourth proportional to 161,856,978.28, 242,956,579.74 and 158,201,713 is: 237,469,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856,978.28 : 242,956,579.74 = 158,201,713 : x
  2. Step 2: Convert to fraction form
    161,856,978.28/242,956,579.74 = 158,201,713/x
  3. Step 3: Cross multiply
    161,856,978.28x = 242,956,579.74 × 158,201,713
  4. Step 4: Simplify right side
    161,856,978.28x = 38,436,147,099,489,096
  5. Step 5: Solve for x
    x = 38,436,147,099,489,096/161,856,978.28
  6. Step 6: Final answer
    x = 237,469,817.54

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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.