Home / 72,288,960.72-108,434,737.08-26,263,516.56

Finding the Fourth Proportional to 72,288,960.72, 108,434,737.08 and 26,263,516.56

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Solution

The fourth proportional to 72,288,960.72, 108,434,737.08 and 26,263,516.56 is: 39,395,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,288,960.72 : 108,434,737.08 = 26,263,516.56 : x
  2. Step 2: Convert to fraction form
    72,288,960.72/108,434,737.08 = 26,263,516.56/x
  3. Step 3: Cross multiply
    72,288,960.72x = 108,434,737.08 × 26,263,516.56
  4. Step 4: Simplify right side
    72,288,960.72x = 2,847,877,512,979,826
  5. Step 5: Solve for x
    x = 2,847,877,512,979,826/72,288,960.72
  6. Step 6: Final answer
    x = 39,395,745.69

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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.