Home / 167,568,110.70-251,352,166.05-81,474,668.70

Finding the Fourth Proportional to 167,568,110.70, 251,352,166.05 and 81,474,668.70

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Solution

The fourth proportional to 167,568,110.70, 251,352,166.05 and 81,474,668.70 is: 122,212,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,568,110.70 : 251,352,166.05 = 81,474,668.70 : x
  2. Step 2: Convert to fraction form
    167,568,110.70/251,352,166.05 = 81,474,668.70/x
  3. Step 3: Cross multiply
    167,568,110.70x = 251,352,166.05 × 81,474,668.70
  4. Step 4: Simplify right side
    167,568,110.70x = 20,478,834,455,951,140
  5. Step 5: Solve for x
    x = 20,478,834,455,951,140/167,568,110.70
  6. Step 6: Final answer
    x = 122,212,003.05

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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.