Home / 131,531,570.40-197,297,355.60-126,156,799.20

Finding the Fourth Proportional to 131,531,570.40, 197,297,355.60 and 126,156,799.20

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Solution

The fourth proportional to 131,531,570.40, 197,297,355.60 and 126,156,799.20 is: 189,235,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,531,570.40 : 197,297,355.60 = 126,156,799.20 : x
  2. Step 2: Convert to fraction form
    131,531,570.40/197,297,355.60 = 126,156,799.20/x
  3. Step 3: Cross multiply
    131,531,570.40x = 197,297,355.60 × 126,156,799.20
  4. Step 4: Simplify right side
    131,531,570.40x = 24,890,402,873,120,196
  5. Step 5: Solve for x
    x = 24,890,402,873,120,196/131,531,570.40
  6. Step 6: Final answer
    x = 189,235,198.80

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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.