Home / 207,231,976.52-286,005,204.86-117,945,629.37

Finding the Fourth Proportional to 207,231,976.52, 286,005,204.86 and 117,945,629.37

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Solution

The fourth proportional to 207,231,976.52, 286,005,204.86 and 117,945,629.37 is: 162,779,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,976.52 : 286,005,204.86 = 117,945,629.37 : x
  2. Step 2: Convert to fraction form
    207,231,976.52/286,005,204.86 = 117,945,629.37/x
  3. Step 3: Cross multiply
    207,231,976.52x = 286,005,204.86 × 117,945,629.37
  4. Step 4: Simplify right side
    207,231,976.52x = 33,733,063,889,718,760
  5. Step 5: Solve for x
    x = 33,733,063,889,718,760/207,231,976.52
  6. Step 6: Final answer
    x = 162,779,241.20

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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.