Home / 259,644,121.26-388,847,916.63-150,238,724.55

Finding the Fourth Proportional to 259,644,121.26, 388,847,916.63 and 150,238,724.55

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Solution

The fourth proportional to 259,644,121.26, 388,847,916.63 and 150,238,724.55 is: 225,000,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,644,121.26 : 388,847,916.63 = 150,238,724.55 : x
  2. Step 2: Convert to fraction form
    259,644,121.26/388,847,916.63 = 150,238,724.55/x
  3. Step 3: Cross multiply
    259,644,121.26x = 388,847,916.63 × 150,238,724.55
  4. Step 4: Simplify right side
    259,644,121.26x = 58,420,015,038,415,936
  5. Step 5: Solve for x
    x = 58,420,015,038,415,936/259,644,121.26
  6. Step 6: Final answer
    x = 225,000,337.98

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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.