Home / 81,916,640.46-113,042,805.39-45,246,424.14

Finding the Fourth Proportional to 81,916,640.46, 113,042,805.39 and 45,246,424.14

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Solution

The fourth proportional to 81,916,640.46, 113,042,805.39 and 45,246,424.14 is: 62,438,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,916,640.46 : 113,042,805.39 = 45,246,424.14 : x
  2. Step 2: Convert to fraction form
    81,916,640.46/113,042,805.39 = 45,246,424.14/x
  3. Step 3: Cross multiply
    81,916,640.46x = 113,042,805.39 × 45,246,424.14
  4. Step 4: Simplify right side
    81,916,640.46x = 5,114,782,718,651,418
  5. Step 5: Solve for x
    x = 5,114,782,718,651,418/81,916,640.46
  6. Step 6: Final answer
    x = 62,438,873.10

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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.