Home / 100,507,659.12-150,785,725.68-34,919,250.72

Finding the Fourth Proportional to 100,507,659.12, 150,785,725.68 and 34,919,250.72

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Solution

The fourth proportional to 100,507,659.12, 150,785,725.68 and 34,919,250.72 is: 52,387,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,507,659.12 : 150,785,725.68 = 34,919,250.72 : x
  2. Step 2: Convert to fraction form
    100,507,659.12/150,785,725.68 = 34,919,250.72/x
  3. Step 3: Cross multiply
    100,507,659.12x = 150,785,725.68 × 34,919,250.72
  4. Step 4: Simplify right side
    100,507,659.12x = 5,265,324,560,017,063
  5. Step 5: Solve for x
    x = 5,265,324,560,017,063/100,507,659.12
  6. Step 6: Final answer
    x = 52,387,296.71

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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.