Home / 71,873,721.20-107,810,581.80-33,609,969.20

Finding the Fourth Proportional to 71,873,721.20, 107,810,581.80 and 33,609,969.20

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Solution

The fourth proportional to 71,873,721.20, 107,810,581.80 and 33,609,969.20 is: 50,414,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873,721.20 : 107,810,581.80 = 33,609,969.20 : x
  2. Step 2: Convert to fraction form
    71,873,721.20/107,810,581.80 = 33,609,969.20/x
  3. Step 3: Cross multiply
    71,873,721.20x = 107,810,581.80 × 33,609,969.20
  4. Step 4: Simplify right side
    71,873,721.20x = 3,623,510,333,732,081
  5. Step 5: Solve for x
    x = 3,623,510,333,732,081/71,873,721.20
  6. Step 6: Final answer
    x = 50,414,953.80

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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.