Home / 82,619,739.10-123,816,233.49-52,273,277.02

Finding the Fourth Proportional to 82,619,739.10, 123,816,233.49 and 52,273,277.02

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Solution

The fourth proportional to 82,619,739.10, 123,816,233.49 and 52,273,277.02 is: 78,338,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,619,739.10 : 123,816,233.49 = 52,273,277.02 : x
  2. Step 2: Convert to fraction form
    82,619,739.10/123,816,233.49 = 52,273,277.02/x
  3. Step 3: Cross multiply
    82,619,739.10x = 123,816,233.49 × 52,273,277.02
  4. Step 4: Simplify right side
    82,619,739.10x = 6,472,280,272,795,772
  5. Step 5: Solve for x
    x = 6,472,280,272,795,772/82,619,739.10
  6. Step 6: Final answer
    x = 78,338,183.38

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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.