Home / 169,084,351.90-253,633,234.74-80,431,633.36

Finding the Fourth Proportional to 169,084,351.90, 253,633,234.74 and 80,431,633.36

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Solution

The fourth proportional to 169,084,351.90, 253,633,234.74 and 80,431,633.36 is: 120,650,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,084,351.90 : 253,633,234.74 = 80,431,633.36 : x
  2. Step 2: Convert to fraction form
    169,084,351.90/253,633,234.74 = 80,431,633.36/x
  3. Step 3: Cross multiply
    169,084,351.90x = 253,633,234.74 × 80,431,633.36
  4. Step 4: Simplify right side
    169,084,351.90x = 20,400,135,344,518,496
  5. Step 5: Solve for x
    x = 20,400,135,344,518,496/169,084,351.90
  6. Step 6: Final answer
    x = 120,650,640.44

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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.