Home / 168,146,709.82-232,058,431.65-105,432,735.22

Finding the Fourth Proportional to 168,146,709.82, 232,058,431.65 and 105,432,735.22

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Solution

The fourth proportional to 168,146,709.82, 232,058,431.65 and 105,432,735.22 is: 145,507,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,709.82 : 232,058,431.65 = 105,432,735.22 : x
  2. Step 2: Convert to fraction form
    168,146,709.82/232,058,431.65 = 105,432,735.22/x
  3. Step 3: Cross multiply
    168,146,709.82x = 232,058,431.65 × 105,432,735.22
  4. Step 4: Simplify right side
    168,146,709.82x = 24,466,555,179,722,920
  5. Step 5: Solve for x
    x = 24,466,555,179,722,920/168,146,709.82
  6. Step 6: Final answer
    x = 145,507,189.56

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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.