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Finding the Fourth Proportional to 161,659,486.20, 242,489,229.30 and 161,659,486.20

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Solution

The fourth proportional to 161,659,486.20, 242,489,229.30 and 161,659,486.20 is: 242,489,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,486.20 : 242,489,229.30 = 161,659,486.20 : x
  2. Step 2: Convert to fraction form
    161,659,486.20/242,489,229.30 = 161,659,486.20/x
  3. Step 3: Cross multiply
    161,659,486.20x = 242,489,229.30 × 161,659,486.20
  4. Step 4: Simplify right side
    161,659,486.20x = 39,200,684,217,671,984
  5. Step 5: Solve for x
    x = 39,200,684,217,671,984/161,659,486.20
  6. Step 6: Final answer
    x = 242,489,229.30

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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.