Home / 82,619,739.60-123,816,234.24-52,273,277.52

Finding the Fourth Proportional to 82,619,739.60, 123,816,234.24 and 52,273,277.52

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Solution

The fourth proportional to 82,619,739.60, 123,816,234.24 and 52,273,277.52 is: 78,338,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,619,739.60 : 123,816,234.24 = 52,273,277.52 : x
  2. Step 2: Convert to fraction form
    82,619,739.60/123,816,234.24 = 52,273,277.52/x
  3. Step 3: Cross multiply
    82,619,739.60x = 123,816,234.24 × 52,273,277.52
  4. Step 4: Simplify right side
    82,619,739.60x = 6,472,280,373,908,846
  5. Step 5: Solve for x
    x = 6,472,280,373,908,846/82,619,739.60
  6. Step 6: Final answer
    x = 78,338,184.13

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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.