Home / 254,204,810.70-381,342,645.45-108,637,215.90

Finding the Fourth Proportional to 254,204,810.70, 381,342,645.45 and 108,637,215.90

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Solution

The fourth proportional to 254,204,810.70, 381,342,645.45 and 108,637,215.90 is: 162,970,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,204,810.70 : 381,342,645.45 = 108,637,215.90 : x
  2. Step 2: Convert to fraction form
    254,204,810.70/381,342,645.45 = 108,637,215.90/x
  3. Step 3: Cross multiply
    254,204,810.70x = 381,342,645.45 × 108,637,215.90
  4. Step 4: Simplify right side
    254,204,810.70x = 41,428,003,305,628,800
  5. Step 5: Solve for x
    x = 41,428,003,305,628,800/254,204,810.70
  6. Step 6: Final answer
    x = 162,970,964.99

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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.