Home / 135,033,355,889.67-202,568,659,933.55-78,399,890,274.63

Finding the Fourth Proportional to 135,033,355,889.67, 202,568,659,933.55 and 78,399,890,274.63

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Solution

The fourth proportional to 135,033,355,889.67, 202,568,659,933.55 and 78,399,890,274.63 is: 117,610,649,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,033,355,889.67 : 202,568,659,933.55 = 78,399,890,274.63 : x
  2. Step 2: Convert to fraction form
    135,033,355,889.67/202,568,659,933.55 = 78,399,890,274.63/x
  3. Step 3: Cross multiply
    135,033,355,889.67x = 202,568,659,933.55 × 78,399,890,274.63
  4. Step 4: Simplify right side
    135,033,355,889.67x = 15,881,360,711,869,158,916,096
  5. Step 5: Solve for x
    x = 15,881,360,711,869,158,916,096/135,033,355,889.67
  6. Step 6: Final answer
    x = 117,610,649,659.37

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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.