Home / 69,192,128,770.56-103,777,706,470.86-18,831,486,954.24

Finding the Fourth Proportional to 69,192,128,770.56, 103,777,706,470.86 and 18,831,486,954.24

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Solution

The fourth proportional to 69,192,128,770.56, 103,777,706,470.86 and 18,831,486,954.24 is: 28,244,376,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192,128,770.56 : 103,777,706,470.86 = 18,831,486,954.24 : x
  2. Step 2: Convert to fraction form
    69,192,128,770.56/103,777,706,470.86 = 18,831,486,954.24/x
  3. Step 3: Cross multiply
    69,192,128,770.56x = 103,777,706,470.86 × 18,831,486,954.24
  4. Step 4: Simplify right side
    69,192,128,770.56x = 1,954,288,525,546,948,395,008
  5. Step 5: Solve for x
    x = 1,954,288,525,546,948,395,008/69,192,128,770.56
  6. Step 6: Final answer
    x = 28,244,376,351.35

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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.