Home / 172,374,006.70-258,561,010.05-107,876,752.30

Finding the Fourth Proportional to 172,374,006.70, 258,561,010.05 and 107,876,752.30

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Solution

The fourth proportional to 172,374,006.70, 258,561,010.05 and 107,876,752.30 is: 161,815,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,374,006.70 : 258,561,010.05 = 107,876,752.30 : x
  2. Step 2: Convert to fraction form
    172,374,006.70/258,561,010.05 = 107,876,752.30/x
  3. Step 3: Cross multiply
    172,374,006.70x = 258,561,010.05 × 107,876,752.30
  4. Step 4: Simplify right side
    172,374,006.70x = 27,892,722,035,601,660
  5. Step 5: Solve for x
    x = 27,892,722,035,601,660/172,374,006.70
  6. Step 6: Final answer
    x = 161,815,128.45

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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.