Home / 72,105,725.20-108,167,753.72-22,904,025.54

Finding the Fourth Proportional to 72,105,725.20, 108,167,753.72 and 22,904,025.54

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Solution

The fourth proportional to 72,105,725.20, 108,167,753.72 and 22,904,025.54 is: 34,358,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,105,725.20 : 108,167,753.72 = 22,904,025.54 : x
  2. Step 2: Convert to fraction form
    72,105,725.20/108,167,753.72 = 22,904,025.54/x
  3. Step 3: Cross multiply
    72,105,725.20x = 108,167,753.72 × 22,904,025.54
  4. Step 4: Simplify right side
    72,105,725.20x = 2,477,476,993,807,310
  5. Step 5: Solve for x
    x = 2,477,476,993,807,310/72,105,725.20
  6. Step 6: Final answer
    x = 34,358,949.82

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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.