Home / 77,530,221.33-106,992,422.97-42,724,157.37

Finding the Fourth Proportional to 77,530,221.33, 106,992,422.97 and 42,724,157.37

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Solution

The fourth proportional to 77,530,221.33, 106,992,422.97 and 42,724,157.37 is: 58,959,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,221.33 : 106,992,422.97 = 42,724,157.37 : x
  2. Step 2: Convert to fraction form
    77,530,221.33/106,992,422.97 = 42,724,157.37/x
  3. Step 3: Cross multiply
    77,530,221.33x = 106,992,422.97 × 42,724,157.37
  4. Step 4: Simplify right side
    77,530,221.33x = 4,571,161,116,367,882
  5. Step 5: Solve for x
    x = 4,571,161,116,367,882/77,530,221.33
  6. Step 6: Final answer
    x = 58,959,732.58

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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.