Home / 99,682,891.20-149,418,048.60-38,248,311.60

Finding the Fourth Proportional to 99,682,891.20, 149,418,048.60 and 38,248,311.60

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Solution

The fourth proportional to 99,682,891.20, 149,418,048.60 and 38,248,311.60 is: 57,331,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,682,891.20 : 149,418,048.60 = 38,248,311.60 : x
  2. Step 2: Convert to fraction form
    99,682,891.20/149,418,048.60 = 38,248,311.60/x
  3. Step 3: Cross multiply
    99,682,891.20x = 149,418,048.60 × 38,248,311.60
  4. Step 4: Simplify right side
    99,682,891.20x = 5,714,988,081,516,744
  5. Step 5: Solve for x
    x = 5,714,988,081,516,744/99,682,891.20
  6. Step 6: Final answer
    x = 57,331,684.63

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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.