Home / 141,969,846.40-212,954,078.40-55,647,260.80

Finding the Fourth Proportional to 141,969,846.40, 212,954,078.40 and 55,647,260.80

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Solution

The fourth proportional to 141,969,846.40, 212,954,078.40 and 55,647,260.80 is: 83,470,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,969,846.40 : 212,954,078.40 = 55,647,260.80 : x
  2. Step 2: Convert to fraction form
    141,969,846.40/212,954,078.40 = 55,647,260.80/x
  3. Step 3: Cross multiply
    141,969,846.40x = 212,954,078.40 × 55,647,260.80
  4. Step 4: Simplify right side
    141,969,846.40x = 11,850,311,139,148,446
  5. Step 5: Solve for x
    x = 11,850,311,139,148,446/141,969,846.40
  6. Step 6: Final answer
    x = 83,470,620.27

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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.