Home / 49,628,815.20-74,445,555.60-15,551,272.80

Finding the Fourth Proportional to 49,628,815.20, 74,445,555.60 and 15,551,272.80

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Solution

The fourth proportional to 49,628,815.20, 74,445,555.60 and 15,551,272.80 is: 23,327,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,628,815.20 : 74,445,555.60 = 15,551,272.80 : x
  2. Step 2: Convert to fraction form
    49,628,815.20/74,445,555.60 = 15,551,272.80/x
  3. Step 3: Cross multiply
    49,628,815.20x = 74,445,555.60 × 15,551,272.80
  4. Step 4: Simplify right side
    49,628,815.20x = 1,157,723,143,883,167.75
  5. Step 5: Solve for x
    x = 1,157,723,143,883,167.75/49,628,815.20
  6. Step 6: Final answer
    x = 23,327,640.19

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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.