Home / 80,201,213.80-120,301,820.70-29,084,900.20

Finding the Fourth Proportional to 80,201,213.80, 120,301,820.70 and 29,084,900.20

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Solution

The fourth proportional to 80,201,213.80, 120,301,820.70 and 29,084,900.20 is: 43,627,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,201,213.80 : 120,301,820.70 = 29,084,900.20 : x
  2. Step 2: Convert to fraction form
    80,201,213.80/120,301,820.70 = 29,084,900.20/x
  3. Step 3: Cross multiply
    80,201,213.80x = 120,301,820.70 × 29,084,900.20
  4. Step 4: Simplify right side
    80,201,213.80x = 3,498,966,448,937,794
  5. Step 5: Solve for x
    x = 3,498,966,448,937,794/80,201,213.80
  6. Step 6: Final answer
    x = 43,627,350.30

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1.5x scale

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.