Home / 230,744,612.45-318,376,661.24-136,612,018.16

Finding the Fourth Proportional to 230,744,612.45, 318,376,661.24 and 136,612,018.16

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Solution

The fourth proportional to 230,744,612.45, 318,376,661.24 and 136,612,018.16 is: 188,494,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,744,612.45 : 318,376,661.24 = 136,612,018.16 : x
  2. Step 2: Convert to fraction form
    230,744,612.45/318,376,661.24 = 136,612,018.16/x
  3. Step 3: Cross multiply
    230,744,612.45x = 318,376,661.24 × 136,612,018.16
  4. Step 4: Simplify right side
    230,744,612.45x = 43,494,078,226,982,608
  5. Step 5: Solve for x
    x = 43,494,078,226,982,608/230,744,612.45
  6. Step 6: Final answer
    x = 188,494,447.45

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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.