Home / 269,013,151.20-402,669,421.20-192,485,647.20

Finding the Fourth Proportional to 269,013,151.20, 402,669,421.20 and 192,485,647.20

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Solution

The fourth proportional to 269,013,151.20, 402,669,421.20 and 192,485,647.20 is: 288,120,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,013,151.20 : 402,669,421.20 = 192,485,647.20 : x
  2. Step 2: Convert to fraction form
    269,013,151.20/402,669,421.20 = 192,485,647.20/x
  3. Step 3: Cross multiply
    269,013,151.20x = 402,669,421.20 × 192,485,647.20
  4. Step 4: Simplify right side
    269,013,151.20x = 77,508,084,147,331,392
  5. Step 5: Solve for x
    x = 77,508,084,147,331,392/269,013,151.20
  6. Step 6: Final answer
    x = 288,120,055.85

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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.