Home / 220,197,666.20-330,286,001.70-74,616,949.40

Finding the Fourth Proportional to 220,197,666.20, 330,286,001.70 and 74,616,949.40

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Solution

The fourth proportional to 220,197,666.20, 330,286,001.70 and 74,616,949.40 is: 111,921,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,197,666.20 : 330,286,001.70 = 74,616,949.40 : x
  2. Step 2: Convert to fraction form
    220,197,666.20/330,286,001.70 = 74,616,949.40/x
  3. Step 3: Cross multiply
    220,197,666.20x = 330,286,001.70 × 74,616,949.40
  4. Step 4: Simplify right side
    220,197,666.20x = 24,644,933,876,377,216
  5. Step 5: Solve for x
    x = 24,644,933,876,377,216/220,197,666.20
  6. Step 6: Final answer
    x = 111,921,866.85

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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.