Home / 171,795,944.86-257,660,659.05-66,751,107.64

Finding the Fourth Proportional to 171,795,944.86, 257,660,659.05 and 66,751,107.64

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Solution

The fourth proportional to 171,795,944.86, 257,660,659.05 and 66,751,107.64 is: 100,113,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,795,944.86 : 257,660,659.05 = 66,751,107.64 : x
  2. Step 2: Convert to fraction form
    171,795,944.86/257,660,659.05 = 66,751,107.64/x
  3. Step 3: Cross multiply
    171,795,944.86x = 257,660,659.05 × 66,751,107.64
  4. Step 4: Simplify right side
    171,795,944.86x = 17,199,134,386,839,892
  5. Step 5: Solve for x
    x = 17,199,134,386,839,892/171,795,944.86
  6. Step 6: Final answer
    x = 100,113,739.01

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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.