Home / 129,552,481,685.80-194,328,722,528.70-103,431,093,653.80

Finding the Fourth Proportional to 129,552,481,685.80, 194,328,722,528.70 and 103,431,093,653.80

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Solution

The fourth proportional to 129,552,481,685.80, 194,328,722,528.70 and 103,431,093,653.80 is: 155,146,640,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,552,481,685.80 : 194,328,722,528.70 = 103,431,093,653.80 : x
  2. Step 2: Convert to fraction form
    129,552,481,685.80/194,328,722,528.70 = 103,431,093,653.80/x
  3. Step 3: Cross multiply
    129,552,481,685.80x = 194,328,722,528.70 × 103,431,093,653.80
  4. Step 4: Simplify right side
    129,552,481,685.80x = 20,099,632,299,489,286,422,528
  5. Step 5: Solve for x
    x = 20,099,632,299,489,286,422,528/129,552,481,685.80
  6. Step 6: Final answer
    x = 155,146,640,480.70

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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.