Home / 147,015,323.10-220,469,840.55-74,207,906.10

Finding the Fourth Proportional to 147,015,323.10, 220,469,840.55 and 74,207,906.10

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Solution

The fourth proportional to 147,015,323.10, 220,469,840.55 and 74,207,906.10 is: 111,285,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015,323.10 : 220,469,840.55 = 74,207,906.10 : x
  2. Step 2: Convert to fraction form
    147,015,323.10/220,469,840.55 = 74,207,906.10/x
  3. Step 3: Cross multiply
    147,015,323.10x = 220,469,840.55 × 74,207,906.10
  4. Step 4: Simplify right side
    147,015,323.10x = 16,360,605,225,416,372
  5. Step 5: Solve for x
    x = 16,360,605,225,416,372/147,015,323.10
  6. Step 6: Final answer
    x = 111,285,033.97

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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.