Home / 131,451,974.85-197,195,897.48-54,757,066.95

Finding the Fourth Proportional to 131,451,974.85, 197,195,897.48 and 54,757,066.95

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Solution

The fourth proportional to 131,451,974.85, 197,195,897.48 and 54,757,066.95 is: 82,143,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,974.85 : 197,195,897.48 = 54,757,066.95 : x
  2. Step 2: Convert to fraction form
    131,451,974.85/197,195,897.48 = 54,757,066.95/x
  3. Step 3: Cross multiply
    131,451,974.85x = 197,195,897.48 × 54,757,066.95
  4. Step 4: Simplify right side
    131,451,974.85x = 10,797,868,960,303,912
  5. Step 5: Solve for x
    x = 10,797,868,960,303,912/131,451,974.85
  6. Step 6: Final answer
    x = 82,143,071.43

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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.