Home / 54,224,148.60-81,310,562.10-31,512,007.80

Finding the Fourth Proportional to 54,224,148.60, 81,310,562.10 and 31,512,007.80

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Solution

The fourth proportional to 54,224,148.60, 81,310,562.10 and 31,512,007.80 is: 47,253,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,224,148.60 : 81,310,562.10 = 31,512,007.80 : x
  2. Step 2: Convert to fraction form
    54,224,148.60/81,310,562.10 = 31,512,007.80/x
  3. Step 3: Cross multiply
    54,224,148.60x = 81,310,562.10 × 31,512,007.80
  4. Step 4: Simplify right side
    54,224,148.60x = 2,562,259,067,117,584.50
  5. Step 5: Solve for x
    x = 2,562,259,067,117,584.50/54,224,148.60
  6. Step 6: Final answer
    x = 47,253,099.09

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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.