Home / 82,309,448.42-123,414,864.74-26,198,135.32

Finding the Fourth Proportional to 82,309,448.42, 123,414,864.74 and 26,198,135.32

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Solution

The fourth proportional to 82,309,448.42, 123,414,864.74 and 26,198,135.32 is: 39,281,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,309,448.42 : 123,414,864.74 = 26,198,135.32 : x
  2. Step 2: Convert to fraction form
    82,309,448.42/123,414,864.74 = 26,198,135.32/x
  3. Step 3: Cross multiply
    82,309,448.42x = 123,414,864.74 × 26,198,135.32
  4. Step 4: Simplify right side
    82,309,448.42x = 3,233,239,326,518,488.50
  5. Step 5: Solve for x
    x = 3,233,239,326,518,488.50/82,309,448.42
  6. Step 6: Final answer
    x = 39,281,508.85

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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.