Home / 80,201,129.80-120,301,694.70-29,084,816.20

Finding the Fourth Proportional to 80,201,129.80, 120,301,694.70 and 29,084,816.20

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Solution

The fourth proportional to 80,201,129.80, 120,301,694.70 and 29,084,816.20 is: 43,627,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,201,129.80 : 120,301,694.70 = 29,084,816.20 : x
  2. Step 2: Convert to fraction form
    80,201,129.80/120,301,694.70 = 29,084,816.20/x
  3. Step 3: Cross multiply
    80,201,129.80x = 120,301,694.70 × 29,084,816.20
  4. Step 4: Simplify right side
    80,201,129.80x = 3,498,952,678,898,014
  5. Step 5: Solve for x
    x = 3,498,952,678,898,014/80,201,129.80
  6. Step 6: Final answer
    x = 43,627,224.30

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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.