Home / 117,067,126,027.50-161,552,633,902.29-66,318,068,691.18

Finding the Fourth Proportional to 117,067,126,027.50, 161,552,633,902.29 and 66,318,068,691.18

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Solution

The fourth proportional to 117,067,126,027.50, 161,552,633,902.29 and 66,318,068,691.18 is: 91,518,934,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067,126,027.50 : 161,552,633,902.29 = 66,318,068,691.18 : x
  2. Step 2: Convert to fraction form
    117,067,126,027.50/161,552,633,902.29 = 66,318,068,691.18/x
  3. Step 3: Cross multiply
    117,067,126,027.50x = 161,552,633,902.29 × 66,318,068,691.18
  4. Step 4: Simplify right side
    117,067,126,027.50x = 10,713,858,672,373,123,776,512
  5. Step 5: Solve for x
    x = 10,713,858,672,373,123,776,512/117,067,126,027.50
  6. Step 6: Final answer
    x = 91,518,934,784.96

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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.