Home / 51,622,227.11-77,432,996.25-20,916,353.45

Finding the Fourth Proportional to 51,622,227.11, 77,432,996.25 and 20,916,353.45

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Solution

The fourth proportional to 51,622,227.11, 77,432,996.25 and 20,916,353.45 is: 31,374,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,227.11 : 77,432,996.25 = 20,916,353.45 : x
  2. Step 2: Convert to fraction form
    51,622,227.11/77,432,996.25 = 20,916,353.45/x
  3. Step 3: Cross multiply
    51,622,227.11x = 77,432,996.25 × 20,916,353.45
  4. Step 4: Simplify right side
    51,622,227.11x = 1,619,615,918,451,107
  5. Step 5: Solve for x
    x = 1,619,615,918,451,107/51,622,227.11
  6. Step 6: Final answer
    x = 31,374,390.63

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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.