Home / 200,371,866.82-300,348,028.19-83,853,981.16

Finding the Fourth Proportional to 200,371,866.82, 300,348,028.19 and 83,853,981.16

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Solution

The fourth proportional to 200,371,866.82, 300,348,028.19 and 83,853,981.16 is: 125,693,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371,866.82 : 300,348,028.19 = 83,853,981.16 : x
  2. Step 2: Convert to fraction form
    200,371,866.82/300,348,028.19 = 83,853,981.16/x
  3. Step 3: Cross multiply
    200,371,866.82x = 300,348,028.19 × 83,853,981.16
  4. Step 4: Simplify right side
    200,371,866.82x = 25,185,377,896,746,172
  5. Step 5: Solve for x
    x = 25,185,377,896,746,172/200,371,866.82
  6. Step 6: Final answer
    x = 125,693,183.86

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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.