Home / 342,161,714.72-472,192,450.86-193,505,065.79

Finding the Fourth Proportional to 342,161,714.72, 472,192,450.86 and 193,505,065.79

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Solution

The fourth proportional to 342,161,714.72, 472,192,450.86 and 193,505,065.79 is: 267,042,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,161,714.72 : 472,192,450.86 = 193,505,065.79 : x
  2. Step 2: Convert to fraction form
    342,161,714.72/472,192,450.86 = 193,505,065.79/x
  3. Step 3: Cross multiply
    342,161,714.72x = 472,192,450.86 × 193,505,065.79
  4. Step 4: Simplify right side
    342,161,714.72x = 91,371,631,266,844,688
  5. Step 5: Solve for x
    x = 91,371,631,266,844,688/342,161,714.72
  6. Step 6: Final answer
    x = 267,042,241.54

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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.