Home / 117,261,306.56-161,840,001.74-65,067,157.32

Finding the Fourth Proportional to 117,261,306.56, 161,840,001.74 and 65,067,157.32

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Solution

The fourth proportional to 117,261,306.56, 161,840,001.74 and 65,067,157.32 is: 89,803,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,261,306.56 : 161,840,001.74 = 65,067,157.32 : x
  2. Step 2: Convert to fraction form
    117,261,306.56/161,840,001.74 = 65,067,157.32/x
  3. Step 3: Cross multiply
    117,261,306.56x = 161,840,001.74 × 65,067,157.32
  4. Step 4: Simplify right side
    117,261,306.56x = 10,530,468,853,560,318
  5. Step 5: Solve for x
    x = 10,530,468,853,560,318/117,261,306.56
  6. Step 6: Final answer
    x = 89,803,441.25

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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.