Home / 81,858,451.92-112,953,943.04-48,822,578.24

Finding the Fourth Proportional to 81,858,451.92, 112,953,943.04 and 48,822,578.24

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Solution

The fourth proportional to 81,858,451.92, 112,953,943.04 and 48,822,578.24 is: 67,368,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,858,451.92 : 112,953,943.04 = 48,822,578.24 : x
  2. Step 2: Convert to fraction form
    81,858,451.92/112,953,943.04 = 48,822,578.24/x
  3. Step 3: Cross multiply
    81,858,451.92x = 112,953,943.04 × 48,822,578.24
  4. Step 4: Simplify right side
    81,858,451.92x = 5,514,702,721,586,904
  5. Step 5: Solve for x
    x = 5,514,702,721,586,904/81,858,451.92
  6. Step 6: Final answer
    x = 67,368,763.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.