Home / 38,545,162.12-57,766,369.20-20,345,078.80

Finding the Fourth Proportional to 38,545,162.12, 57,766,369.20 and 20,345,078.80

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Solution

The fourth proportional to 38,545,162.12, 57,766,369.20 and 20,345,078.80 is: 30,490,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,545,162.12 : 57,766,369.20 = 20,345,078.80 : x
  2. Step 2: Convert to fraction form
    38,545,162.12/57,766,369.20 = 20,345,078.80/x
  3. Step 3: Cross multiply
    38,545,162.12x = 57,766,369.20 × 20,345,078.80
  4. Step 4: Simplify right side
    38,545,162.12x = 1,175,261,333,363,893
  5. Step 5: Solve for x
    x = 1,175,261,333,363,893/38,545,162.12
  6. Step 6: Final answer
    x = 30,490,501.76

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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.