Home / 148,291,966.20-222,437,949.30-142,245,348.60

Finding the Fourth Proportional to 148,291,966.20, 222,437,949.30 and 142,245,348.60

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Solution

The fourth proportional to 148,291,966.20, 222,437,949.30 and 142,245,348.60 is: 213,368,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,291,966.20 : 222,437,949.30 = 142,245,348.60 : x
  2. Step 2: Convert to fraction form
    148,291,966.20/222,437,949.30 = 142,245,348.60/x
  3. Step 3: Cross multiply
    148,291,966.20x = 222,437,949.30 × 142,245,348.60
  4. Step 4: Simplify right side
    148,291,966.20x = 31,640,763,640,047,628
  5. Step 5: Solve for x
    x = 31,640,763,640,047,628/148,291,966.20
  6. Step 6: Final answer
    x = 213,368,022.90

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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.