Home / 243,970,579.20-365,619,945.60-161,856,019.20

Finding the Fourth Proportional to 243,970,579.20, 365,619,945.60 and 161,856,019.20

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Solution

The fourth proportional to 243,970,579.20, 365,619,945.60 and 161,856,019.20 is: 242,561,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,970,579.20 : 365,619,945.60 = 161,856,019.20 : x
  2. Step 2: Convert to fraction form
    243,970,579.20/365,619,945.60 = 161,856,019.20/x
  3. Step 3: Cross multiply
    243,970,579.20x = 365,619,945.60 × 161,856,019.20
  4. Step 4: Simplify right side
    243,970,579.20x = 59,177,788,934,936,552
  5. Step 5: Solve for x
    x = 59,177,788,934,936,552/243,970,579.20
  6. Step 6: Final answer
    x = 242,561,169.17

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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.