Home / 29,145,325.20-43,717,987.80-20,635,270.80

Finding the Fourth Proportional to 29,145,325.20, 43,717,987.80 and 20,635,270.80

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Solution

The fourth proportional to 29,145,325.20, 43,717,987.80 and 20,635,270.80 is: 30,952,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145,325.20 : 43,717,987.80 = 20,635,270.80 : x
  2. Step 2: Convert to fraction form
    29,145,325.20/43,717,987.80 = 20,635,270.80/x
  3. Step 3: Cross multiply
    29,145,325.20x = 43,717,987.80 × 20,635,270.80
  4. Step 4: Simplify right side
    29,145,325.20x = 902,132,517,084,096.25
  5. Step 5: Solve for x
    x = 902,132,517,084,096.25/29,145,325.20
  6. Step 6: Final answer
    x = 30,952,906.20

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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.