Home / 20,716,244,429.76-31,061,006,172.24-8,126,374,979.76

Finding the Fourth Proportional to 20,716,244,429.76, 31,061,006,172.24 and 8,126,374,979.76

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Solution

The fourth proportional to 20,716,244,429.76, 31,061,006,172.24 and 8,126,374,979.76 is: 12,184,321,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,244,429.76 : 31,061,006,172.24 = 8,126,374,979.76 : x
  2. Step 2: Convert to fraction form
    20,716,244,429.76/31,061,006,172.24 = 8,126,374,979.76/x
  3. Step 3: Cross multiply
    20,716,244,429.76x = 31,061,006,172.24 × 8,126,374,979.76
  4. Step 4: Simplify right side
    20,716,244,429.76x = 252,413,383,404,262,096,896
  5. Step 5: Solve for x
    x = 252,413,383,404,262,096,896/20,716,244,429.76
  6. Step 6: Final answer
    x = 12,184,321,548.25

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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.