Home / 38,290,214.62-57,452,179.68-20,090,021.13

Finding the Fourth Proportional to 38,290,214.62, 57,452,179.68 and 20,090,021.13

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Solution

The fourth proportional to 38,290,214.62, 57,452,179.68 and 20,090,021.13 is: 30,143,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,214.62 : 57,452,179.68 = 20,090,021.13 : x
  2. Step 2: Convert to fraction form
    38,290,214.62/57,452,179.68 = 20,090,021.13/x
  3. Step 3: Cross multiply
    38,290,214.62x = 57,452,179.68 × 20,090,021.13
  4. Step 4: Simplify right side
    38,290,214.62x = 1,154,215,503,735,756.50
  5. Step 5: Solve for x
    x = 1,154,215,503,735,756.50/38,290,214.62
  6. Step 6: Final answer
    x = 30,143,876.58

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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.