Home / 120,514,579.27-166,311,941.62-67,603,015.89

Finding the Fourth Proportional to 120,514,579.27, 166,311,941.62 and 67,603,015.89

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Solution

The fourth proportional to 120,514,579.27, 166,311,941.62 and 67,603,015.89 is: 93,293,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514,579.27 : 166,311,941.62 = 67,603,015.89 : x
  2. Step 2: Convert to fraction form
    120,514,579.27/166,311,941.62 = 67,603,015.89/x
  3. Step 3: Cross multiply
    120,514,579.27x = 166,311,941.62 × 67,603,015.89
  4. Step 4: Simplify right side
    120,514,579.27x = 11,243,188,832,033,612
  5. Step 5: Solve for x
    x = 11,243,188,832,033,612/120,514,579.27
  6. Step 6: Final answer
    x = 93,293,184.11

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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.