Home / 168,098,103.48-252,223,768.87-86,274,441.81

Finding the Fourth Proportional to 168,098,103.48, 252,223,768.87 and 86,274,441.81

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Solution

The fourth proportional to 168,098,103.48, 252,223,768.87 and 86,274,441.81 is: 129,450,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,098,103.48 : 252,223,768.87 = 86,274,441.81 : x
  2. Step 2: Convert to fraction form
    168,098,103.48/252,223,768.87 = 86,274,441.81/x
  3. Step 3: Cross multiply
    168,098,103.48x = 252,223,768.87 × 86,274,441.81
  4. Step 4: Simplify right side
    168,098,103.48x = 21,760,464,870,473,704
  5. Step 5: Solve for x
    x = 21,760,464,870,473,704/168,098,103.48
  6. Step 6: Final answer
    x = 129,450,983.80

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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.