Home / 117,067,126,031.88-161,552,633,908.33-66,318,068,695.56

Finding the Fourth Proportional to 117,067,126,031.88, 161,552,633,908.33 and 66,318,068,695.56

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Solution

The fourth proportional to 117,067,126,031.88, 161,552,633,908.33 and 66,318,068,695.56 is: 91,518,934,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067,126,031.88 : 161,552,633,908.33 = 66,318,068,695.56 : x
  2. Step 2: Convert to fraction form
    117,067,126,031.88/161,552,633,908.33 = 66,318,068,695.56/x
  3. Step 3: Cross multiply
    117,067,126,031.88x = 161,552,633,908.33 × 66,318,068,695.56
  4. Step 4: Simplify right side
    117,067,126,031.88x = 10,713,858,673,481,284,059,136
  5. Step 5: Solve for x
    x = 10,713,858,673,481,284,059,136/117,067,126,031.88
  6. Step 6: Final answer
    x = 91,518,934,791.00

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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.