Home / 243,416,592.56-365,128,890.78-68,543,832.80

Finding the Fourth Proportional to 243,416,592.56, 365,128,890.78 and 68,543,832.80

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Solution

The fourth proportional to 243,416,592.56, 365,128,890.78 and 68,543,832.80 is: 102,816,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,416,592.56 : 365,128,890.78 = 68,543,832.80 : x
  2. Step 2: Convert to fraction form
    243,416,592.56/365,128,890.78 = 68,543,832.80/x
  3. Step 3: Cross multiply
    243,416,592.56x = 365,128,890.78 × 68,543,832.80
  4. Step 4: Simplify right side
    243,416,592.56x = 25,027,333,640,073,780
  5. Step 5: Solve for x
    x = 25,027,333,640,073,780/243,416,592.56
  6. Step 6: Final answer
    x = 102,816,876.11

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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.