Home / 55,274,408.48-82,922,239.84-21,193,096.32

Finding the Fourth Proportional to 55,274,408.48, 82,922,239.84 and 21,193,096.32

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Solution

The fourth proportional to 55,274,408.48, 82,922,239.84 and 21,193,096.32 is: 31,793,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274,408.48 : 82,922,239.84 = 21,193,096.32 : x
  2. Step 2: Convert to fraction form
    55,274,408.48/82,922,239.84 = 21,193,096.32/x
  3. Step 3: Cross multiply
    55,274,408.48x = 82,922,239.84 × 21,193,096.32
  4. Step 4: Simplify right side
    55,274,408.48x = 1,757,379,015,999,261.50
  5. Step 5: Solve for x
    x = 1,757,379,015,999,261.50/55,274,408.48
  6. Step 6: Final answer
    x = 31,793,719.09

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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.