Home / 167,987,487.80-231,822,684.78-90,725,151.80

Finding the Fourth Proportional to 167,987,487.80, 231,822,684.78 and 90,725,151.80

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Solution

The fourth proportional to 167,987,487.80, 231,822,684.78 and 90,725,151.80 is: 125,200,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987,487.80 : 231,822,684.78 = 90,725,151.80 : x
  2. Step 2: Convert to fraction form
    167,987,487.80/231,822,684.78 = 90,725,151.80/x
  3. Step 3: Cross multiply
    167,987,487.80x = 231,822,684.78 × 90,725,151.80
  4. Step 4: Simplify right side
    167,987,487.80x = 21,032,148,267,349,048
  5. Step 5: Solve for x
    x = 21,032,148,267,349,048/167,987,487.80
  6. Step 6: Final answer
    x = 125,200,683.35

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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.