Home / 29,160,047.20-43,740,070.80-20,090,120.80

Finding the Fourth Proportional to 29,160,047.20, 43,740,070.80 and 20,090,120.80

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Solution

The fourth proportional to 29,160,047.20, 43,740,070.80 and 20,090,120.80 is: 30,135,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160,047.20 : 43,740,070.80 = 20,090,120.80 : x
  2. Step 2: Convert to fraction form
    29,160,047.20/43,740,070.80 = 20,090,120.80/x
  3. Step 3: Cross multiply
    29,160,047.20x = 43,740,070.80 × 20,090,120.80
  4. Step 4: Simplify right side
    29,160,047.20x = 878,743,306,172,552.62
  5. Step 5: Solve for x
    x = 878,743,306,172,552.62/29,160,047.20
  6. Step 6: Final answer
    x = 30,135,181.20

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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.