Home / 180,998,998.80-271,498,498.20-65,987,293.20

Finding the Fourth Proportional to 180,998,998.80, 271,498,498.20 and 65,987,293.20

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Solution

The fourth proportional to 180,998,998.80, 271,498,498.20 and 65,987,293.20 is: 98,980,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,998,998.80 : 271,498,498.20 = 65,987,293.20 : x
  2. Step 2: Convert to fraction form
    180,998,998.80/271,498,498.20 = 65,987,293.20/x
  3. Step 3: Cross multiply
    180,998,998.80x = 271,498,498.20 × 65,987,293.20
  4. Step 4: Simplify right side
    180,998,998.80x = 17,915,451,004,083,072
  5. Step 5: Solve for x
    x = 17,915,451,004,083,072/180,998,998.80
  6. Step 6: Final answer
    x = 98,980,939.80

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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.