Home / 172,632,215.52-258,773,839.68-74,328,044.16

Finding the Fourth Proportional to 172,632,215.52, 258,773,839.68 and 74,328,044.16

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Solution

The fourth proportional to 172,632,215.52, 258,773,839.68 and 74,328,044.16 is: 111,416,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,632,215.52 : 258,773,839.68 = 74,328,044.16 : x
  2. Step 2: Convert to fraction form
    172,632,215.52/258,773,839.68 = 74,328,044.16/x
  3. Step 3: Cross multiply
    172,632,215.52x = 258,773,839.68 × 74,328,044.16
  4. Step 4: Simplify right side
    172,632,215.52x = 19,234,153,383,187,800
  5. Step 5: Solve for x
    x = 19,234,153,383,187,800/172,632,215.52
  6. Step 6: Final answer
    x = 111,416,941.07

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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.