Home / 88,068,218.80-132,102,328.20-80,132,033.20

Finding the Fourth Proportional to 88,068,218.80, 132,102,328.20 and 80,132,033.20

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Solution

The fourth proportional to 88,068,218.80, 132,102,328.20 and 80,132,033.20 is: 120,198,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068,218.80 : 132,102,328.20 = 80,132,033.20 : x
  2. Step 2: Convert to fraction form
    88,068,218.80/132,102,328.20 = 80,132,033.20/x
  3. Step 3: Cross multiply
    88,068,218.80x = 132,102,328.20 × 80,132,033.20
  4. Step 4: Simplify right side
    88,068,218.80x = 10,585,628,149,119,696
  5. Step 5: Solve for x
    x = 10,585,628,149,119,696/88,068,218.80
  6. Step 6: Final answer
    x = 120,198,049.80

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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.