Home / 131,634,961.20-197,476,061.40-54,965,739.60

Finding the Fourth Proportional to 131,634,961.20, 197,476,061.40 and 54,965,739.60

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Solution

The fourth proportional to 131,634,961.20, 197,476,061.40 and 54,965,739.60 is: 82,458,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,634,961.20 : 197,476,061.40 = 54,965,739.60 : x
  2. Step 2: Convert to fraction form
    131,634,961.20/197,476,061.40 = 54,965,739.60/x
  3. Step 3: Cross multiply
    131,634,961.20x = 197,476,061.40 × 54,965,739.60
  4. Step 4: Simplify right side
    131,634,961.20x = 10,854,417,768,146,012
  5. Step 5: Solve for x
    x = 10,854,417,768,146,012/131,634,961.20
  6. Step 6: Final answer
    x = 82,458,472.04

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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.