Home / 72,149,279.38-108,222,342.54-17,562,153.04

Finding the Fourth Proportional to 72,149,279.38, 108,222,342.54 and 17,562,153.04

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Solution

The fourth proportional to 72,149,279.38, 108,222,342.54 and 17,562,153.04 is: 26,342,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149,279.38 : 108,222,342.54 = 17,562,153.04 : x
  2. Step 2: Convert to fraction form
    72,149,279.38/108,222,342.54 = 17,562,153.04/x
  3. Step 3: Cross multiply
    72,149,279.38x = 108,222,342.54 × 17,562,153.04
  4. Step 4: Simplify right side
    72,149,279.38x = 1,900,617,342,034,782.25
  5. Step 5: Solve for x
    x = 1,900,617,342,034,782.25/72,149,279.38
  6. Step 6: Final answer
    x = 26,342,845.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.