Home / 172,126,396.80-257,841,230.40-107,231,011.20

Finding the Fourth Proportional to 172,126,396.80, 257,841,230.40 and 107,231,011.20

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Solution

The fourth proportional to 172,126,396.80, 257,841,230.40 and 107,231,011.20 is: 160,629,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,126,396.80 : 257,841,230.40 = 107,231,011.20 : x
  2. Step 2: Convert to fraction form
    172,126,396.80/257,841,230.40 = 107,231,011.20/x
  3. Step 3: Cross multiply
    172,126,396.80x = 257,841,230.40 × 107,231,011.20
  4. Step 4: Simplify right side
    172,126,396.80x = 27,648,575,864,844,180
  5. Step 5: Solve for x
    x = 27,648,575,864,844,180/172,126,396.80
  6. Step 6: Final answer
    x = 160,629,493.09

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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.