Home / 55,311,342.60-82,896,155.10-49,217,485.80

Finding the Fourth Proportional to 55,311,342.60, 82,896,155.10 and 49,217,485.80

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Solution

The fourth proportional to 55,311,342.60, 82,896,155.10 and 49,217,485.80 is: 73,763,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311,342.60 : 82,896,155.10 = 49,217,485.80 : x
  2. Step 2: Convert to fraction form
    55,311,342.60/82,896,155.10 = 49,217,485.80/x
  3. Step 3: Cross multiply
    55,311,342.60x = 82,896,155.10 × 49,217,485.80
  4. Step 4: Simplify right side
    55,311,342.60x = 4,079,940,336,508,847
  5. Step 5: Solve for x
    x = 4,079,940,336,508,847/55,311,342.60
  6. Step 6: Final answer
    x = 73,763,176.68

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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.