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Finding the Fourth Proportional to 68,608,010.60, 102,912,015.90 and 41,689,917.80

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Solution

The fourth proportional to 68,608,010.60, 102,912,015.90 and 41,689,917.80 is: 62,534,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608,010.60 : 102,912,015.90 = 41,689,917.80 : x
  2. Step 2: Convert to fraction form
    68,608,010.60/102,912,015.90 = 41,689,917.80/x
  3. Step 3: Cross multiply
    68,608,010.60x = 102,912,015.90 × 41,689,917.80
  4. Step 4: Simplify right side
    68,608,010.60x = 4,290,393,483,503,293
  5. Step 5: Solve for x
    x = 4,290,393,483,503,293/68,608,010.60
  6. Step 6: Final answer
    x = 62,534,876.70

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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.