Home / 172,867,514.72-238,505,379.92-99,526,771.04

Finding the Fourth Proportional to 172,867,514.72, 238,505,379.92 and 99,526,771.04

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Solution

The fourth proportional to 172,867,514.72, 238,505,379.92 and 99,526,771.04 is: 137,317,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,867,514.72 : 238,505,379.92 = 99,526,771.04 : x
  2. Step 2: Convert to fraction form
    172,867,514.72/238,505,379.92 = 99,526,771.04/x
  3. Step 3: Cross multiply
    172,867,514.72x = 238,505,379.92 × 99,526,771.04
  4. Step 4: Simplify right side
    172,867,514.72x = 23,737,670,339,106,052
  5. Step 5: Solve for x
    x = 23,737,670,339,106,052/172,867,514.72
  6. Step 6: Final answer
    x = 137,317,126.23

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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.