Home / 221,237,999.55-331,856,999.33-152,363,245.95

Finding the Fourth Proportional to 221,237,999.55, 331,856,999.33 and 152,363,245.95

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Solution

The fourth proportional to 221,237,999.55, 331,856,999.33 and 152,363,245.95 is: 228,544,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,237,999.55 : 331,856,999.33 = 152,363,245.95 : x
  2. Step 2: Convert to fraction form
    221,237,999.55/331,856,999.33 = 152,363,245.95/x
  3. Step 3: Cross multiply
    221,237,999.55x = 331,856,999.33 × 152,363,245.95
  4. Step 4: Simplify right side
    221,237,999.55x = 50,562,809,608,383,952
  5. Step 5: Solve for x
    x = 50,562,809,608,383,952/221,237,999.55
  6. Step 6: Final answer
    x = 228,544,868.93

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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.