Home / 117,067,126,036.52-161,552,633,914.70-66,318,068,700.20

Finding the Fourth Proportional to 117,067,126,036.52, 161,552,633,914.70 and 66,318,068,700.20

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Solution

The fourth proportional to 117,067,126,036.52, 161,552,633,914.70 and 66,318,068,700.20 is: 91,518,934,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067,126,036.52 : 161,552,633,914.70 = 66,318,068,700.20 : x
  2. Step 2: Convert to fraction form
    117,067,126,036.52/161,552,633,914.70 = 66,318,068,700.20/x
  3. Step 3: Cross multiply
    117,067,126,036.52x = 161,552,633,914.70 × 66,318,068,700.20
  4. Step 4: Simplify right side
    117,067,126,036.52x = 10,713,858,674,653,336,174,592
  5. Step 5: Solve for x
    x = 10,713,858,674,653,336,174,592/117,067,126,036.52
  6. Step 6: Final answer
    x = 91,518,934,797.38

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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.