Home / 80,919,530.40-121,379,295.60-29,794,906.20

Finding the Fourth Proportional to 80,919,530.40, 121,379,295.60 and 29,794,906.20

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Solution

The fourth proportional to 80,919,530.40, 121,379,295.60 and 29,794,906.20 is: 44,692,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,919,530.40 : 121,379,295.60 = 29,794,906.20 : x
  2. Step 2: Convert to fraction form
    80,919,530.40/121,379,295.60 = 29,794,906.20/x
  3. Step 3: Cross multiply
    80,919,530.40x = 121,379,295.60 × 29,794,906.20
  4. Step 4: Simplify right side
    80,919,530.40x = 3,616,484,727,024,072.50
  5. Step 5: Solve for x
    x = 3,616,484,727,024,072.50/80,919,530.40
  6. Step 6: Final answer
    x = 44,692,359.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.