Home / 167,085,128.78-250,626,682.29-90,892,381.58

Finding the Fourth Proportional to 167,085,128.78, 250,626,682.29 and 90,892,381.58

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Solution

The fourth proportional to 167,085,128.78, 250,626,682.29 and 90,892,381.58 is: 136,338,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,085,128.78 : 250,626,682.29 = 90,892,381.58 : x
  2. Step 2: Convert to fraction form
    167,085,128.78/250,626,682.29 = 90,892,381.58/x
  3. Step 3: Cross multiply
    167,085,128.78x = 250,626,682.29 × 90,892,381.58
  4. Step 4: Simplify right side
    167,085,128.78x = 22,780,056,040,832,108
  5. Step 5: Solve for x
    x = 22,780,056,040,832,108/167,085,128.78
  6. Step 6: Final answer
    x = 136,338,022.46

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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.