Home / 120,514,578.64-166,311,940.76-67,603,015.26

Finding the Fourth Proportional to 120,514,578.64, 166,311,940.76 and 67,603,015.26

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Solution

The fourth proportional to 120,514,578.64, 166,311,940.76 and 67,603,015.26 is: 93,293,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514,578.64 : 166,311,940.76 = 67,603,015.26 : x
  2. Step 2: Convert to fraction form
    120,514,578.64/166,311,940.76 = 67,603,015.26/x
  3. Step 3: Cross multiply
    120,514,578.64x = 166,311,940.76 × 67,603,015.26
  4. Step 4: Simplify right side
    120,514,578.64x = 11,243,188,668,780,482
  5. Step 5: Solve for x
    x = 11,243,188,668,780,482/120,514,578.64
  6. Step 6: Final answer
    x = 93,293,183.25

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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.