Home / 29,160,138.60-43,740,207.90-20,090,212.20

Finding the Fourth Proportional to 29,160,138.60, 43,740,207.90 and 20,090,212.20

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Solution

The fourth proportional to 29,160,138.60, 43,740,207.90 and 20,090,212.20 is: 30,135,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,160,138.60 : 43,740,207.90 = 20,090,212.20 : x
  2. Step 2: Convert to fraction form
    29,160,138.60/43,740,207.90 = 20,090,212.20/x
  3. Step 3: Cross multiply
    29,160,138.60x = 43,740,207.90 × 20,090,212.20
  4. Step 4: Simplify right side
    29,160,138.60x = 878,750,058,383,116.38
  5. Step 5: Solve for x
    x = 878,750,058,383,116.38/29,160,138.60
  6. Step 6: Final answer
    x = 30,135,318.30

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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.