Home / 100,507,571.42-150,785,594.14-34,919,163.06

Finding the Fourth Proportional to 100,507,571.42, 150,785,594.14 and 34,919,163.06

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Solution

The fourth proportional to 100,507,571.42, 150,785,594.14 and 34,919,163.06 is: 52,387,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,507,571.42 : 150,785,594.14 = 34,919,163.06 : x
  2. Step 2: Convert to fraction form
    100,507,571.42/150,785,594.14 = 34,919,163.06/x
  3. Step 3: Cross multiply
    100,507,571.42x = 150,785,594.14 × 34,919,163.06
  4. Step 4: Simplify right side
    100,507,571.42x = 5,265,306,748,873,640
  5. Step 5: Solve for x
    x = 5,265,306,748,873,640/100,507,571.42
  6. Step 6: Final answer
    x = 52,387,165.21

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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.