Home / 172,814,716.24-259,222,336.81-70,578,753.86

Finding the Fourth Proportional to 172,814,716.24, 259,222,336.81 and 70,578,753.86

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Solution

The fourth proportional to 172,814,716.24, 259,222,336.81 and 70,578,753.86 is: 105,868,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,716.24 : 259,222,336.81 = 70,578,753.86 : x
  2. Step 2: Convert to fraction form
    172,814,716.24/259,222,336.81 = 70,578,753.86/x
  3. Step 3: Cross multiply
    172,814,716.24x = 259,222,336.81 × 70,578,753.86
  4. Step 4: Simplify right side
    172,814,716.24x = 18,295,589,504,727,008
  5. Step 5: Solve for x
    x = 18,295,589,504,727,008/172,814,716.24
  6. Step 6: Final answer
    x = 105,868,237.98

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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.