Home / 221,185,750.40-331,778,625.60-194,311,894.40

Finding the Fourth Proportional to 221,185,750.40, 331,778,625.60 and 194,311,894.40

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Solution

The fourth proportional to 221,185,750.40, 331,778,625.60 and 194,311,894.40 is: 291,467,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,185,750.40 : 331,778,625.60 = 194,311,894.40 : x
  2. Step 2: Convert to fraction form
    221,185,750.40/331,778,625.60 = 194,311,894.40/x
  3. Step 3: Cross multiply
    221,185,750.40x = 331,778,625.60 × 194,311,894.40
  4. Step 4: Simplify right side
    221,185,750.40x = 64,468,533,261,764,344
  5. Step 5: Solve for x
    x = 64,468,533,261,764,344/221,185,750.40
  6. Step 6: Final answer
    x = 291,467,841.60

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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.