Home / 158,043,204.36-218,094,887.22-87,481,706.85

Finding the Fourth Proportional to 158,043,204.36, 218,094,887.22 and 87,481,706.85

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Solution

The fourth proportional to 158,043,204.36, 218,094,887.22 and 87,481,706.85 is: 120,722,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,043,204.36 : 218,094,887.22 = 87,481,706.85 : x
  2. Step 2: Convert to fraction form
    158,043,204.36/218,094,887.22 = 87,481,706.85/x
  3. Step 3: Cross multiply
    158,043,204.36x = 218,094,887.22 × 87,481,706.85
  4. Step 4: Simplify right side
    158,043,204.36x = 19,079,312,987,735,968
  5. Step 5: Solve for x
    x = 19,079,312,987,735,968/158,043,204.36
  6. Step 6: Final answer
    x = 120,722,134.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.