Home / 74,459,815.20-111,689,722.80-50,273,344.80

Finding the Fourth Proportional to 74,459,815.20, 111,689,722.80 and 50,273,344.80

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Solution

The fourth proportional to 74,459,815.20, 111,689,722.80 and 50,273,344.80 is: 75,410,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459,815.20 : 111,689,722.80 = 50,273,344.80 : x
  2. Step 2: Convert to fraction form
    74,459,815.20/111,689,722.80 = 50,273,344.80/x
  3. Step 3: Cross multiply
    74,459,815.20x = 111,689,722.80 × 50,273,344.80
  4. Step 4: Simplify right side
    74,459,815.20x = 5,615,015,944,940,821
  5. Step 5: Solve for x
    x = 5,615,015,944,940,821/74,459,815.20
  6. Step 6: Final answer
    x = 75,410,017.20

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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.