Home / 139,947,249.72-193,131,302.49-76,371,685.44

Finding the Fourth Proportional to 139,947,249.72, 193,131,302.49 and 76,371,685.44

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Solution

The fourth proportional to 139,947,249.72, 193,131,302.49 and 76,371,685.44 is: 105,395,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,947,249.72 : 193,131,302.49 = 76,371,685.44 : x
  2. Step 2: Convert to fraction form
    139,947,249.72/193,131,302.49 = 76,371,685.44/x
  3. Step 3: Cross multiply
    139,947,249.72x = 193,131,302.49 × 76,371,685.44
  4. Step 4: Simplify right side
    139,947,249.72x = 14,749,763,082,383,770
  5. Step 5: Solve for x
    x = 14,749,763,082,383,770/139,947,249.72
  6. Step 6: Final answer
    x = 105,395,162.19

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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.