Home / 172,373,927.20-258,560,890.80-107,876,672.80

Finding the Fourth Proportional to 172,373,927.20, 258,560,890.80 and 107,876,672.80

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Solution

The fourth proportional to 172,373,927.20, 258,560,890.80 and 107,876,672.80 is: 161,815,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,373,927.20 : 258,560,890.80 = 107,876,672.80 : x
  2. Step 2: Convert to fraction form
    172,373,927.20/258,560,890.80 = 107,876,672.80/x
  3. Step 3: Cross multiply
    172,373,927.20x = 258,560,890.80 × 107,876,672.80
  4. Step 4: Simplify right side
    172,373,927.20x = 27,892,688,615,708,132
  5. Step 5: Solve for x
    x = 27,892,688,615,708,132/172,373,927.20
  6. Step 6: Final answer
    x = 161,815,009.20

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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.