Home / 97,019,093,914.70-145,528,640,872.05-82,815,589,172.30

Finding the Fourth Proportional to 97,019,093,914.70, 145,528,640,872.05 and 82,815,589,172.30

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Solution

The fourth proportional to 97,019,093,914.70, 145,528,640,872.05 and 82,815,589,172.30 is: 124,223,383,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,093,914.70 : 145,528,640,872.05 = 82,815,589,172.30 : x
  2. Step 2: Convert to fraction form
    97,019,093,914.70/145,528,640,872.05 = 82,815,589,172.30/x
  3. Step 3: Cross multiply
    97,019,093,914.70x = 145,528,640,872.05 × 82,815,589,172.30
  4. Step 4: Simplify right side
    97,019,093,914.70x = 12,052,040,135,262,878,040,064
  5. Step 5: Solve for x
    x = 12,052,040,135,262,878,040,064/97,019,093,914.70
  6. Step 6: Final answer
    x = 124,223,383,758.45

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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.