Home / 147,015,366.60-220,469,905.80-74,207,949.60

Finding the Fourth Proportional to 147,015,366.60, 220,469,905.80 and 74,207,949.60

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Solution

The fourth proportional to 147,015,366.60, 220,469,905.80 and 74,207,949.60 is: 111,285,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015,366.60 : 220,469,905.80 = 74,207,949.60 : x
  2. Step 2: Convert to fraction form
    147,015,366.60/220,469,905.80 = 74,207,949.60/x
  3. Step 3: Cross multiply
    147,015,366.60x = 220,469,905.80 × 74,207,949.60
  4. Step 4: Simplify right side
    147,015,366.60x = 16,360,619,657,923,148
  5. Step 5: Solve for x
    x = 16,360,619,657,923,148/147,015,366.60
  6. Step 6: Final answer
    x = 111,285,099.21

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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.