Home / 111,814,924.66-167,504,191.30-87,107,161.48

Finding the Fourth Proportional to 111,814,924.66, 167,504,191.30 and 87,107,161.48

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Solution

The fourth proportional to 111,814,924.66, 167,504,191.30 and 87,107,161.48 is: 130,490,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,814,924.66 : 167,504,191.30 = 87,107,161.48 : x
  2. Step 2: Convert to fraction form
    111,814,924.66/167,504,191.30 = 87,107,161.48/x
  3. Step 3: Cross multiply
    111,814,924.66x = 167,504,191.30 × 87,107,161.48
  4. Step 4: Simplify right side
    111,814,924.66x = 14,590,814,640,145,912
  5. Step 5: Solve for x
    x = 14,590,814,640,145,912/111,814,924.66
  6. Step 6: Final answer
    x = 130,490,761.27

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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.