Home / 38,720,105.20-58,080,157.80-25,183,644.40

Finding the Fourth Proportional to 38,720,105.20, 58,080,157.80 and 25,183,644.40

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Solution

The fourth proportional to 38,720,105.20, 58,080,157.80 and 25,183,644.40 is: 37,775,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720,105.20 : 58,080,157.80 = 25,183,644.40 : x
  2. Step 2: Convert to fraction form
    38,720,105.20/58,080,157.80 = 25,183,644.40/x
  3. Step 3: Cross multiply
    38,720,105.20x = 58,080,157.80 × 25,183,644.40
  4. Step 4: Simplify right side
    38,720,105.20x = 1,462,670,040,731,086.25
  5. Step 5: Solve for x
    x = 1,462,670,040,731,086.25/38,720,105.20
  6. Step 6: Final answer
    x = 37,775,466.60

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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.