Home / 72,771,194.20-109,156,791.30-34,507,442.20

Finding the Fourth Proportional to 72,771,194.20, 109,156,791.30 and 34,507,442.20

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Solution

The fourth proportional to 72,771,194.20, 109,156,791.30 and 34,507,442.20 is: 51,761,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,771,194.20 : 109,156,791.30 = 34,507,442.20 : x
  2. Step 2: Convert to fraction form
    72,771,194.20/109,156,791.30 = 34,507,442.20/x
  3. Step 3: Cross multiply
    72,771,194.20x = 109,156,791.30 × 34,507,442.20
  4. Step 4: Simplify right side
    72,771,194.20x = 3,766,721,666,522,213
  5. Step 5: Solve for x
    x = 3,766,721,666,522,213/72,771,194.20
  6. Step 6: Final answer
    x = 51,761,163.30

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Double scale
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Similar ratio
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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.