Home / 220,521,611.53-304,337,615.61-126,444,512.36

Finding the Fourth Proportional to 220,521,611.53, 304,337,615.61 and 126,444,512.36

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Solution

The fourth proportional to 220,521,611.53, 304,337,615.61 and 126,444,512.36 is: 174,503,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,521,611.53 : 304,337,615.61 = 126,444,512.36 : x
  2. Step 2: Convert to fraction form
    220,521,611.53/304,337,615.61 = 126,444,512.36/x
  3. Step 3: Cross multiply
    220,521,611.53x = 304,337,615.61 × 126,444,512.36
  4. Step 4: Simplify right side
    220,521,611.53x = 38,481,821,399,847,848
  5. Step 5: Solve for x
    x = 38,481,821,399,847,848/220,521,611.53
  6. Step 6: Final answer
    x = 174,503,628.61

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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.