Home / 154,324,432.56-212,870,844.96-91,556,092.32

Finding the Fourth Proportional to 154,324,432.56, 212,870,844.96 and 91,556,092.32

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Solution

The fourth proportional to 154,324,432.56, 212,870,844.96 and 91,556,092.32 is: 126,289,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,324,432.56 : 212,870,844.96 = 91,556,092.32 : x
  2. Step 2: Convert to fraction form
    154,324,432.56/212,870,844.96 = 91,556,092.32/x
  3. Step 3: Cross multiply
    154,324,432.56x = 212,870,844.96 × 91,556,092.32
  4. Step 4: Simplify right side
    154,324,432.56x = 19,489,622,733,394,164
  5. Step 5: Solve for x
    x = 19,489,622,733,394,164/154,324,432.56
  6. Step 6: Final answer
    x = 126,289,936.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.