Home / 43,138,220.10-64,707,330.15-20,463,404.10

Finding the Fourth Proportional to 43,138,220.10, 64,707,330.15 and 20,463,404.10

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Solution

The fourth proportional to 43,138,220.10, 64,707,330.15 and 20,463,404.10 is: 30,695,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,220.10 : 64,707,330.15 = 20,463,404.10 : x
  2. Step 2: Convert to fraction form
    43,138,220.10/64,707,330.15 = 20,463,404.10/x
  3. Step 3: Cross multiply
    43,138,220.10x = 64,707,330.15 × 20,463,404.10
  4. Step 4: Simplify right side
    43,138,220.10x = 1,324,132,245,091,563.75
  5. Step 5: Solve for x
    x = 1,324,132,245,091,563.75/43,138,220.10
  6. Step 6: Final answer
    x = 30,695,106.15

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Double scale
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Similar ratio
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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.