Home / 259,644,120.51-388,847,915.51-150,238,723.80

Finding the Fourth Proportional to 259,644,120.51, 388,847,915.51 and 150,238,723.80

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Solution

The fourth proportional to 259,644,120.51, 388,847,915.51 and 150,238,723.80 is: 225,000,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,644,120.51 : 388,847,915.51 = 150,238,723.80 : x
  2. Step 2: Convert to fraction form
    259,644,120.51/388,847,915.51 = 150,238,723.80/x
  3. Step 3: Cross multiply
    259,644,120.51x = 388,847,915.51 × 150,238,723.80
  4. Step 4: Simplify right side
    259,644,120.51x = 58,420,014,577,761,440
  5. Step 5: Solve for x
    x = 58,420,014,577,761,440/259,644,120.51
  6. Step 6: Final answer
    x = 225,000,336.86

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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.