Home / 247,723,755.60-341,860,017.21-136,221,787.23

Finding the Fourth Proportional to 247,723,755.60, 341,860,017.21 and 136,221,787.23

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Solution

The fourth proportional to 247,723,755.60, 341,860,017.21 and 136,221,787.23 is: 187,986,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,723,755.60 : 341,860,017.21 = 136,221,787.23 : x
  2. Step 2: Convert to fraction form
    247,723,755.60/341,860,017.21 = 136,221,787.23/x
  3. Step 3: Cross multiply
    247,723,755.60x = 341,860,017.21 × 136,221,787.23
  4. Step 4: Simplify right side
    247,723,755.60x = 46,568,782,529,065,608
  5. Step 5: Solve for x
    x = 46,568,782,529,065,608/247,723,755.60
  6. Step 6: Final answer
    x = 187,986,745.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.