Home / 90,795,546.20-136,193,319.30-56,755,328.60

Finding the Fourth Proportional to 90,795,546.20, 136,193,319.30 and 56,755,328.60

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Solution

The fourth proportional to 90,795,546.20, 136,193,319.30 and 56,755,328.60 is: 85,132,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795,546.20 : 136,193,319.30 = 56,755,328.60 : x
  2. Step 2: Convert to fraction form
    90,795,546.20/136,193,319.30 = 56,755,328.60/x
  3. Step 3: Cross multiply
    90,795,546.20x = 136,193,319.30 × 56,755,328.60
  4. Step 4: Simplify right side
    90,795,546.20x = 7,729,696,589,996,223
  5. Step 5: Solve for x
    x = 7,729,696,589,996,223/90,795,546.20
  6. Step 6: Final answer
    x = 85,132,992.90

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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.