Home / 54,311,019.60-81,561,007.80-28,801,851.60

Finding the Fourth Proportional to 54,311,019.60, 81,561,007.80 and 28,801,851.60

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Solution

The fourth proportional to 54,311,019.60, 81,561,007.80 and 28,801,851.60 is: 43,252,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311,019.60 : 81,561,007.80 = 28,801,851.60 : x
  2. Step 2: Convert to fraction form
    54,311,019.60/81,561,007.80 = 28,801,851.60/x
  3. Step 3: Cross multiply
    54,311,019.60x = 81,561,007.80 × 28,801,851.60
  4. Step 4: Simplify right side
    54,311,019.60x = 2,349,108,043,002,042.50
  5. Step 5: Solve for x
    x = 2,349,108,043,002,042.50/54,311,019.60
  6. Step 6: Final answer
    x = 43,252,880.54

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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.