Home / 172,814,523.81-259,222,048.73-70,578,561.44

Finding the Fourth Proportional to 172,814,523.81, 259,222,048.73 and 70,578,561.44

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Solution

The fourth proportional to 172,814,523.81, 259,222,048.73 and 70,578,561.44 is: 105,867,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,523.81 : 259,222,048.73 = 70,578,561.44 : x
  2. Step 2: Convert to fraction form
    172,814,523.81/259,222,048.73 = 70,578,561.44/x
  3. Step 3: Cross multiply
    172,814,523.81x = 259,222,048.73 × 70,578,561.44
  4. Step 4: Simplify right side
    172,814,523.81x = 18,295,519,291,243,976
  5. Step 5: Solve for x
    x = 18,295,519,291,243,976/172,814,523.81
  6. Step 6: Final answer
    x = 105,867,949.57

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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.