Home / 129,026,908.80-193,540,363.20-124,647,465.60

Finding the Fourth Proportional to 129,026,908.80, 193,540,363.20 and 124,647,465.60

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Solution

The fourth proportional to 129,026,908.80, 193,540,363.20 and 124,647,465.60 is: 186,971,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026,908.80 : 193,540,363.20 = 124,647,465.60 : x
  2. Step 2: Convert to fraction form
    129,026,908.80/193,540,363.20 = 124,647,465.60/x
  3. Step 3: Cross multiply
    129,026,908.80x = 193,540,363.20 × 124,647,465.60
  4. Step 4: Simplify right side
    129,026,908.80x = 24,124,315,764,183,504
  5. Step 5: Solve for x
    x = 24,124,315,764,183,504/129,026,908.80
  6. Step 6: Final answer
    x = 186,971,198.40

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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.