Home / 117,067,126,032.12-161,552,633,908.67-66,318,068,695.81

Finding the Fourth Proportional to 117,067,126,032.12, 161,552,633,908.67 and 66,318,068,695.81

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Solution

The fourth proportional to 117,067,126,032.12, 161,552,633,908.67 and 66,318,068,695.81 is: 91,518,934,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067,126,032.12 : 161,552,633,908.67 = 66,318,068,695.81 : x
  2. Step 2: Convert to fraction form
    117,067,126,032.12/161,552,633,908.67 = 66,318,068,695.81/x
  3. Step 3: Cross multiply
    117,067,126,032.12x = 161,552,633,908.67 × 66,318,068,695.81
  4. Step 4: Simplify right side
    117,067,126,032.12x = 10,713,858,673,543,414,284,288
  5. Step 5: Solve for x
    x = 10,713,858,673,543,414,284,288/117,067,126,032.12
  6. Step 6: Final answer
    x = 91,518,934,791.34

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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.