Home / 120,967,483,893.74-166,934,545,735.32-66,773,558,481.08

Finding the Fourth Proportional to 120,967,483,893.74, 166,934,545,735.32 and 66,773,558,481.08

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Solution

The fourth proportional to 120,967,483,893.74, 166,934,545,735.32 and 66,773,558,481.08 is: 92,147,189,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,967,483,893.74 : 166,934,545,735.32 = 66,773,558,481.08 : x
  2. Step 2: Convert to fraction form
    120,967,483,893.74/166,934,545,735.32 = 66,773,558,481.08/x
  3. Step 3: Cross multiply
    120,967,483,893.74x = 166,934,545,735.32 × 66,773,558,481.08
  4. Step 4: Simplify right side
    120,967,483,893.74x = 11,146,813,652,169,914,318,848
  5. Step 5: Solve for x
    x = 11,146,813,652,169,914,318,848/120,967,483,893.74
  6. Step 6: Final answer
    x = 92,147,189,421.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.