Home / 211,004,313.84-291,328,144.38-131,740,182.72

Finding the Fourth Proportional to 211,004,313.84, 291,328,144.38 and 131,740,182.72

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Solution

The fourth proportional to 211,004,313.84, 291,328,144.38 and 131,740,182.72 is: 181,890,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,004,313.84 : 291,328,144.38 = 131,740,182.72 : x
  2. Step 2: Convert to fraction form
    211,004,313.84/291,328,144.38 = 131,740,182.72/x
  3. Step 3: Cross multiply
    211,004,313.84x = 291,328,144.38 × 131,740,182.72
  4. Step 4: Simplify right side
    211,004,313.84x = 38,379,622,972,099,744
  5. Step 5: Solve for x
    x = 38,379,622,972,099,744/211,004,313.84
  6. Step 6: Final answer
    x = 181,890,229.04

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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.