Home / 179,285,936.40-268,928,904.60-163,980,435.60

Finding the Fourth Proportional to 179,285,936.40, 268,928,904.60 and 163,980,435.60

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Solution

The fourth proportional to 179,285,936.40, 268,928,904.60 and 163,980,435.60 is: 245,970,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285,936.40 : 268,928,904.60 = 163,980,435.60 : x
  2. Step 2: Convert to fraction form
    179,285,936.40/268,928,904.60 = 163,980,435.60/x
  3. Step 3: Cross multiply
    179,285,936.40x = 268,928,904.60 × 163,980,435.60
  4. Step 4: Simplify right side
    179,285,936.40x = 44,099,078,921,738,848
  5. Step 5: Solve for x
    x = 44,099,078,921,738,848/179,285,936.40
  6. Step 6: Final answer
    x = 245,970,653.40

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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.