Home / 120,514,579.77-166,311,942.32-67,603,016.39

Finding the Fourth Proportional to 120,514,579.77, 166,311,942.32 and 67,603,016.39

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Solution

The fourth proportional to 120,514,579.77, 166,311,942.32 and 67,603,016.39 is: 93,293,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514,579.77 : 166,311,942.32 = 67,603,016.39 : x
  2. Step 2: Convert to fraction form
    120,514,579.77/166,311,942.32 = 67,603,016.39/x
  3. Step 3: Cross multiply
    120,514,579.77x = 166,311,942.32 × 67,603,016.39
  4. Step 4: Simplify right side
    120,514,579.77x = 11,243,188,961,342,120
  5. Step 5: Solve for x
    x = 11,243,188,961,342,120/120,514,579.77
  6. Step 6: Final answer
    x = 93,293,184.80

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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.