Home / 82,619,723.16-123,816,209.52-52,273,261.08

Finding the Fourth Proportional to 82,619,723.16, 123,816,209.52 and 52,273,261.08

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Solution

The fourth proportional to 82,619,723.16, 123,816,209.52 and 52,273,261.08 is: 78,338,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,619,723.16 : 123,816,209.52 = 52,273,261.08 : x
  2. Step 2: Convert to fraction form
    82,619,723.16/123,816,209.52 = 52,273,261.08/x
  3. Step 3: Cross multiply
    82,619,723.16x = 123,816,209.52 × 52,273,261.08
  4. Step 4: Simplify right side
    82,619,723.16x = 6,472,277,046,174,941
  5. Step 5: Solve for x
    x = 6,472,277,046,174,941/82,619,723.16
  6. Step 6: Final answer
    x = 78,338,159.44

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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.