Home / 204,805,100.52-307,207,946.40-83,636,552.52

Finding the Fourth Proportional to 204,805,100.52, 307,207,946.40 and 83,636,552.52

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Solution

The fourth proportional to 204,805,100.52, 307,207,946.40 and 83,636,552.52 is: 125,454,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,805,100.52 : 307,207,946.40 = 83,636,552.52 : x
  2. Step 2: Convert to fraction form
    204,805,100.52/307,207,946.40 = 83,636,552.52/x
  3. Step 3: Cross multiply
    204,805,100.52x = 307,207,946.40 × 83,636,552.52
  4. Step 4: Simplify right side
    204,805,100.52x = 25,693,813,543,644,940
  5. Step 5: Solve for x
    x = 25,693,813,543,644,940/204,805,100.52
  6. Step 6: Final answer
    x = 125,454,949.50

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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.