Home / 254,204,810.20-381,342,644.70-108,637,215.40

Finding the Fourth Proportional to 254,204,810.20, 381,342,644.70 and 108,637,215.40

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Solution

The fourth proportional to 254,204,810.20, 381,342,644.70 and 108,637,215.40 is: 162,970,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,204,810.20 : 381,342,644.70 = 108,637,215.40 : x
  2. Step 2: Convert to fraction form
    254,204,810.20/381,342,644.70 = 108,637,215.40/x
  3. Step 3: Cross multiply
    254,204,810.20x = 381,342,644.70 × 108,637,215.40
  4. Step 4: Simplify right side
    254,204,810.20x = 41,428,003,033,479,568
  5. Step 5: Solve for x
    x = 41,428,003,033,479,568/254,204,810.20
  6. Step 6: Final answer
    x = 162,970,964.24

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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.