Home / 279,961,153.20-419,941,729.80-222,140,372.40

Finding the Fourth Proportional to 279,961,153.20, 419,941,729.80 and 222,140,372.40

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Solution

The fourth proportional to 279,961,153.20, 419,941,729.80 and 222,140,372.40 is: 333,210,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,961,153.20 : 419,941,729.80 = 222,140,372.40 : x
  2. Step 2: Convert to fraction form
    279,961,153.20/419,941,729.80 = 222,140,372.40/x
  3. Step 3: Cross multiply
    279,961,153.20x = 419,941,729.80 × 222,140,372.40
  4. Step 4: Simplify right side
    279,961,153.20x = 93,286,012,244,072,176
  5. Step 5: Solve for x
    x = 93,286,012,244,072,176/279,961,153.20
  6. Step 6: Final answer
    x = 333,210,558.60

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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.