Home / 117,067,126,029.75-161,552,633,905.39-66,318,068,693.43

Finding the Fourth Proportional to 117,067,126,029.75, 161,552,633,905.39 and 66,318,068,693.43

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Solution

The fourth proportional to 117,067,126,029.75, 161,552,633,905.39 and 66,318,068,693.43 is: 91,518,934,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067,126,029.75 : 161,552,633,905.39 = 66,318,068,693.43 : x
  2. Step 2: Convert to fraction form
    117,067,126,029.75/161,552,633,905.39 = 66,318,068,693.43/x
  3. Step 3: Cross multiply
    117,067,126,029.75x = 161,552,633,905.39 × 66,318,068,693.43
  4. Step 4: Simplify right side
    117,067,126,029.75x = 10,713,858,672,942,202,748,928
  5. Step 5: Solve for x
    x = 10,713,858,672,942,202,748,928/117,067,126,029.75
  6. Step 6: Final answer
    x = 91,518,934,788.06

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1.5x scale

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.