Home / 243,970,579.70-365,619,946.35-161,856,019.70

Finding the Fourth Proportional to 243,970,579.70, 365,619,946.35 and 161,856,019.70

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Solution

The fourth proportional to 243,970,579.70, 365,619,946.35 and 161,856,019.70 is: 242,561,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,970,579.70 : 365,619,946.35 = 161,856,019.70 : x
  2. Step 2: Convert to fraction form
    243,970,579.70/365,619,946.35 = 161,856,019.70/x
  3. Step 3: Cross multiply
    243,970,579.70x = 365,619,946.35 × 161,856,019.70
  4. Step 4: Simplify right side
    243,970,579.70x = 59,177,789,239,138,544
  5. Step 5: Solve for x
    x = 59,177,789,239,138,544/243,970,579.70
  6. Step 6: Final answer
    x = 242,561,169.92

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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.