Home / 81,916,631.46-113,042,792.97-45,246,415.14

Finding the Fourth Proportional to 81,916,631.46, 113,042,792.97 and 45,246,415.14

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Solution

The fourth proportional to 81,916,631.46, 113,042,792.97 and 45,246,415.14 is: 62,438,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,916,631.46 : 113,042,792.97 = 45,246,415.14 : x
  2. Step 2: Convert to fraction form
    81,916,631.46/113,042,792.97 = 45,246,415.14/x
  3. Step 3: Cross multiply
    81,916,631.46x = 113,042,792.97 × 45,246,415.14
  4. Step 4: Simplify right side
    81,916,631.46x = 5,114,781,139,305,694
  5. Step 5: Solve for x
    x = 5,114,781,139,305,694/81,916,631.46
  6. Step 6: Final answer
    x = 62,438,860.68

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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.