Home / 165,074,666.10-247,024,133.55-143,743,542.90

Finding the Fourth Proportional to 165,074,666.10, 247,024,133.55 and 143,743,542.90

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Solution

The fourth proportional to 165,074,666.10, 247,024,133.55 and 143,743,542.90 is: 215,103,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074,666.10 : 247,024,133.55 = 143,743,542.90 : x
  2. Step 2: Convert to fraction form
    165,074,666.10/247,024,133.55 = 143,743,542.90/x
  3. Step 3: Cross multiply
    165,074,666.10x = 247,024,133.55 × 143,743,542.90
  4. Step 4: Simplify right side
    165,074,666.10x = 35,508,124,138,279,756
  5. Step 5: Solve for x
    x = 35,508,124,138,279,756/165,074,666.10
  6. Step 6: Final answer
    x = 215,103,413.37

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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.