Home / 220,752,494.80-331,128,742.20-75,137,660.80

Finding the Fourth Proportional to 220,752,494.80, 331,128,742.20 and 75,137,660.80

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Solution

The fourth proportional to 220,752,494.80, 331,128,742.20 and 75,137,660.80 is: 112,706,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,752,494.80 : 331,128,742.20 = 75,137,660.80 : x
  2. Step 2: Convert to fraction form
    220,752,494.80/331,128,742.20 = 75,137,660.80/x
  3. Step 3: Cross multiply
    220,752,494.80x = 331,128,742.20 × 75,137,660.80
  4. Step 4: Simplify right side
    220,752,494.80x = 24,880,239,112,554,244
  5. Step 5: Solve for x
    x = 24,880,239,112,554,244/220,752,494.80
  6. Step 6: Final answer
    x = 112,706,491.20

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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.