Home / 49,897,286.20-74,789,942.10-28,342,214.20

Finding the Fourth Proportional to 49,897,286.20, 74,789,942.10 and 28,342,214.20

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Solution

The fourth proportional to 49,897,286.20, 74,789,942.10 and 28,342,214.20 is: 42,481,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897,286.20 : 74,789,942.10 = 28,342,214.20 : x
  2. Step 2: Convert to fraction form
    49,897,286.20/74,789,942.10 = 28,342,214.20/x
  3. Step 3: Cross multiply
    49,897,286.20x = 74,789,942.10 × 28,342,214.20
  4. Step 4: Simplify right side
    49,897,286.20x = 2,119,712,559,003,797.50
  5. Step 5: Solve for x
    x = 2,119,712,559,003,797.50/49,897,286.20
  6. Step 6: Final answer
    x = 42,481,519.95

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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.