Home / 188,554,233.51-260,057,432.82-122,496,015.60

Finding the Fourth Proportional to 188,554,233.51, 260,057,432.82 and 122,496,015.60

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Solution

The fourth proportional to 188,554,233.51, 260,057,432.82 and 122,496,015.60 is: 168,948,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554,233.51 : 260,057,432.82 = 122,496,015.60 : x
  2. Step 2: Convert to fraction form
    188,554,233.51/260,057,432.82 = 122,496,015.60/x
  3. Step 3: Cross multiply
    188,554,233.51x = 260,057,432.82 × 122,496,015.60
  4. Step 4: Simplify right side
    188,554,233.51x = 31,855,999,347,614,668
  5. Step 5: Solve for x
    x = 31,855,999,347,614,668/188,554,233.51
  6. Step 6: Final answer
    x = 168,948,735.63

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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.