Home / 147,622,620.20-221,433,930.30-146,772,314.60

Finding the Fourth Proportional to 147,622,620.20, 221,433,930.30 and 146,772,314.60

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Solution

The fourth proportional to 147,622,620.20, 221,433,930.30 and 146,772,314.60 is: 220,158,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,620.20 : 221,433,930.30 = 146,772,314.60 : x
  2. Step 2: Convert to fraction form
    147,622,620.20/221,433,930.30 = 146,772,314.60/x
  3. Step 3: Cross multiply
    147,622,620.20x = 221,433,930.30 × 146,772,314.60
  4. Step 4: Simplify right side
    147,622,620.20x = 32,500,370,481,106,072
  5. Step 5: Solve for x
    x = 32,500,370,481,106,072/147,622,620.20
  6. Step 6: Final answer
    x = 220,158,471.90

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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.