Home / 168,146,704.32-232,058,424.06-105,432,729.72

Finding the Fourth Proportional to 168,146,704.32, 232,058,424.06 and 105,432,729.72

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Solution

The fourth proportional to 168,146,704.32, 232,058,424.06 and 105,432,729.72 is: 145,507,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146,704.32 : 232,058,424.06 = 105,432,729.72 : x
  2. Step 2: Convert to fraction form
    168,146,704.32/232,058,424.06 = 105,432,729.72/x
  3. Step 3: Cross multiply
    168,146,704.32x = 232,058,424.06 × 105,432,729.72
  4. Step 4: Simplify right side
    168,146,704.32x = 24,466,553,103,167,124
  5. Step 5: Solve for x
    x = 24,466,553,103,167,124/168,146,704.32
  6. Step 6: Final answer
    x = 145,507,181.97

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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.