Home / 169,231,704.20-253,847,556.30-154,368,139.40

Finding the Fourth Proportional to 169,231,704.20, 253,847,556.30 and 154,368,139.40

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Solution

The fourth proportional to 169,231,704.20, 253,847,556.30 and 154,368,139.40 is: 231,552,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,231,704.20 : 253,847,556.30 = 154,368,139.40 : x
  2. Step 2: Convert to fraction form
    169,231,704.20/253,847,556.30 = 154,368,139.40/x
  3. Step 3: Cross multiply
    169,231,704.20x = 253,847,556.30 × 154,368,139.40
  4. Step 4: Simplify right side
    169,231,704.20x = 39,185,974,957,267,752
  5. Step 5: Solve for x
    x = 39,185,974,957,267,752/169,231,704.20
  6. Step 6: Final answer
    x = 231,552,209.10

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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.