Home / 52,857,031.20-79,261,927.20-20,498,179.20

Finding the Fourth Proportional to 52,857,031.20, 79,261,927.20 and 20,498,179.20

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Solution

The fourth proportional to 52,857,031.20, 79,261,927.20 and 20,498,179.20 is: 30,738,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857,031.20 : 79,261,927.20 = 20,498,179.20 : x
  2. Step 2: Convert to fraction form
    52,857,031.20/79,261,927.20 = 20,498,179.20/x
  3. Step 3: Cross multiply
    52,857,031.20x = 79,261,927.20 × 20,498,179.20
  4. Step 4: Simplify right side
    52,857,031.20x = 1,624,725,187,482,954.25
  5. Step 5: Solve for x
    x = 1,624,725,187,482,954.25/52,857,031.20
  6. Step 6: Final answer
    x = 30,738,109.02

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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.