Home / 148,291,963.20-222,437,944.80-142,245,345.60

Finding the Fourth Proportional to 148,291,963.20, 222,437,944.80 and 142,245,345.60

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Solution

The fourth proportional to 148,291,963.20, 222,437,944.80 and 142,245,345.60 is: 213,368,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,291,963.20 : 222,437,944.80 = 142,245,345.60 : x
  2. Step 2: Convert to fraction form
    148,291,963.20/222,437,944.80 = 142,245,345.60/x
  3. Step 3: Cross multiply
    148,291,963.20x = 222,437,944.80 × 142,245,345.60
  4. Step 4: Simplify right side
    148,291,963.20x = 31,640,762,332,629,724
  5. Step 5: Solve for x
    x = 31,640,762,332,629,724/148,291,963.20
  6. Step 6: Final answer
    x = 213,368,018.40

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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.