Home / 117,261,309.06-161,840,005.19-65,067,159.82

Finding the Fourth Proportional to 117,261,309.06, 161,840,005.19 and 65,067,159.82

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Solution

The fourth proportional to 117,261,309.06, 161,840,005.19 and 65,067,159.82 is: 89,803,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,261,309.06 : 161,840,005.19 = 65,067,159.82 : x
  2. Step 2: Convert to fraction form
    117,261,309.06/161,840,005.19 = 65,067,159.82/x
  3. Step 3: Cross multiply
    117,261,309.06x = 161,840,005.19 × 65,067,159.82
  4. Step 4: Simplify right side
    117,261,309.06x = 10,530,469,482,967,360
  5. Step 5: Solve for x
    x = 10,530,469,482,967,360/117,261,309.06
  6. Step 6: Final answer
    x = 89,803,444.69

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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.