Home / 131,458,451.03-197,205,620.57-54,763,543.11

Finding the Fourth Proportional to 131,458,451.03, 197,205,620.57 and 54,763,543.11

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Solution

The fourth proportional to 131,458,451.03, 197,205,620.57 and 54,763,543.11 is: 82,152,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,458,451.03 : 197,205,620.57 = 54,763,543.11 : x
  2. Step 2: Convert to fraction form
    131,458,451.03/197,205,620.57 = 54,763,543.11/x
  3. Step 3: Cross multiply
    131,458,451.03x = 197,205,620.57 × 54,763,543.11
  4. Step 4: Simplify right side
    131,458,451.03x = 10,799,678,503,619,498
  5. Step 5: Solve for x
    x = 10,799,678,503,619,498/131,458,451.03
  6. Step 6: Final answer
    x = 82,152,789.87

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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.