Home / 171,795,979.44-257,660,710.94-66,751,142.28

Finding the Fourth Proportional to 171,795,979.44, 257,660,710.94 and 66,751,142.28

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Solution

The fourth proportional to 171,795,979.44, 257,660,710.94 and 66,751,142.28 is: 100,113,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,795,979.44 : 257,660,710.94 = 66,751,142.28 : x
  2. Step 2: Convert to fraction form
    171,795,979.44/257,660,710.94 = 66,751,142.28/x
  3. Step 3: Cross multiply
    171,795,979.44x = 257,660,710.94 × 66,751,142.28
  4. Step 4: Simplify right side
    171,795,979.44x = 17,199,146,775,921,892
  5. Step 5: Solve for x
    x = 17,199,146,775,921,892/171,795,979.44
  6. Step 6: Final answer
    x = 100,113,790.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.