Home / 84,079,700.82-116,029,935.81-45,448,532.82

Finding the Fourth Proportional to 84,079,700.82, 116,029,935.81 and 45,448,532.82

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Solution

The fourth proportional to 84,079,700.82, 116,029,935.81 and 45,448,532.82 is: 62,718,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,079,700.82 : 116,029,935.81 = 45,448,532.82 : x
  2. Step 2: Convert to fraction form
    84,079,700.82/116,029,935.81 = 45,448,532.82/x
  3. Step 3: Cross multiply
    84,079,700.82x = 116,029,935.81 × 45,448,532.82
  4. Step 4: Simplify right side
    84,079,700.82x = 5,273,390,345,763,278
  5. Step 5: Solve for x
    x = 5,273,390,345,763,278/84,079,700.82
  6. Step 6: Final answer
    x = 62,718,947.55

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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.