Home / 179,285,939.40-268,928,909.10-163,980,438.60

Finding the Fourth Proportional to 179,285,939.40, 268,928,909.10 and 163,980,438.60

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Solution

The fourth proportional to 179,285,939.40, 268,928,909.10 and 163,980,438.60 is: 245,970,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285,939.40 : 268,928,909.10 = 163,980,438.60 : x
  2. Step 2: Convert to fraction form
    179,285,939.40/268,928,909.10 = 163,980,438.60/x
  3. Step 3: Cross multiply
    179,285,939.40x = 268,928,909.10 × 163,980,438.60
  4. Step 4: Simplify right side
    179,285,939.40x = 44,099,080,466,437,536
  5. Step 5: Solve for x
    x = 44,099,080,466,437,536/179,285,939.40
  6. Step 6: Final answer
    x = 245,970,657.90

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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.