Home / 148,414,707,620.80-222,622,061,431.20-77,642,071,921.60

Finding the Fourth Proportional to 148,414,707,620.80, 222,622,061,431.20 and 77,642,071,921.60

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Solution

The fourth proportional to 148,414,707,620.80, 222,622,061,431.20 and 77,642,071,921.60 is: 116,463,107,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,414,707,620.80 : 222,622,061,431.20 = 77,642,071,921.60 : x
  2. Step 2: Convert to fraction form
    148,414,707,620.80/222,622,061,431.20 = 77,642,071,921.60/x
  3. Step 3: Cross multiply
    148,414,707,620.80x = 222,622,061,431.20 × 77,642,071,921.60
  4. Step 4: Simplify right side
    148,414,707,620.80x = 17,284,838,104,976,085,483,520
  5. Step 5: Solve for x
    x = 17,284,838,104,976,085,483,520/148,414,707,620.80
  6. Step 6: Final answer
    x = 116,463,107,882.40

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1.5x scale

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.