Home / 81,082,499.76-121,644,481.44-23,574,771

Finding the Fourth Proportional to 81,082,499.76, 121,644,481.44 and 23,574,771

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Solution

The fourth proportional to 81,082,499.76, 121,644,481.44 and 23,574,771 is: 35,368,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,499.76 : 121,644,481.44 = 23,574,771 : x
  2. Step 2: Convert to fraction form
    81,082,499.76/121,644,481.44 = 23,574,771/x
  3. Step 3: Cross multiply
    81,082,499.76x = 121,644,481.44 × 23,574,771
  4. Step 4: Simplify right side
    81,082,499.76x = 2,867,740,793,361,750
  5. Step 5: Solve for x
    x = 2,867,740,793,361,750/81,082,499.76
  6. Step 6: Final answer
    x = 35,368,184.28

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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.