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Finding the Fourth Proportional to 66,679,290.86, 100,018,936.35 and 43,954,873.70

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Solution

The fourth proportional to 66,679,290.86, 100,018,936.35 and 43,954,873.70 is: 65,932,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,679,290.86 : 100,018,936.35 = 43,954,873.70 : x
  2. Step 2: Convert to fraction form
    66,679,290.86/100,018,936.35 = 43,954,873.70/x
  3. Step 3: Cross multiply
    66,679,290.86x = 100,018,936.35 × 43,954,873.70
  4. Step 4: Simplify right side
    66,679,290.86x = 4,396,319,714,372,494
  5. Step 5: Solve for x
    x = 4,396,319,714,372,494/66,679,290.86
  6. Step 6: Final answer
    x = 65,932,310.59

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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.