Home / 205,272,125.33-307,882,509.15-67,086,172.21

Finding the Fourth Proportional to 205,272,125.33, 307,882,509.15 and 67,086,172.21

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Solution

The fourth proportional to 205,272,125.33, 307,882,509.15 and 67,086,172.21 is: 100,620,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,272,125.33 : 307,882,509.15 = 67,086,172.21 : x
  2. Step 2: Convert to fraction form
    205,272,125.33/307,882,509.15 = 67,086,172.21/x
  3. Step 3: Cross multiply
    205,272,125.33x = 307,882,509.15 × 67,086,172.21
  4. Step 4: Simplify right side
    205,272,125.33x = 20,654,659,029,283,800
  5. Step 5: Solve for x
    x = 20,654,659,029,283,800/205,272,125.33
  6. Step 6: Final answer
    x = 100,620,866.06

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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.