Home / 204,805,037.89-307,207,852.50-83,636,489.89

Finding the Fourth Proportional to 204,805,037.89, 307,207,852.50 and 83,636,489.89

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Solution

The fourth proportional to 204,805,037.89, 307,207,852.50 and 83,636,489.89 is: 125,454,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,805,037.89 : 307,207,852.50 = 83,636,489.89 : x
  2. Step 2: Convert to fraction form
    204,805,037.89/307,207,852.50 = 83,636,489.89/x
  3. Step 3: Cross multiply
    204,805,037.89x = 307,207,852.50 × 83,636,489.89
  4. Step 4: Simplify right side
    204,805,037.89x = 25,693,786,449,744,860
  5. Step 5: Solve for x
    x = 25,693,786,449,744,860/204,805,037.89
  6. Step 6: Final answer
    x = 125,454,855.58

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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.