Home / 111,456,021.20-167,042,314.20-53,824,197.20

Finding the Fourth Proportional to 111,456,021.20, 167,042,314.20 and 53,824,197.20

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Solution

The fourth proportional to 111,456,021.20, 167,042,314.20 and 53,824,197.20 is: 80,667,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,021.20 : 167,042,314.20 = 53,824,197.20 : x
  2. Step 2: Convert to fraction form
    111,456,021.20/167,042,314.20 = 53,824,197.20/x
  3. Step 3: Cross multiply
    111,456,021.20x = 167,042,314.20 × 53,824,197.20
  4. Step 4: Simplify right side
    111,456,021.20x = 8,990,918,460,245,160
  5. Step 5: Solve for x
    x = 8,990,918,460,245,160/111,456,021.20
  6. Step 6: Final answer
    x = 80,667,857.72

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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.