Home / 154,204,720.53-231,307,868.25-51,969,643.89

Finding the Fourth Proportional to 154,204,720.53, 231,307,868.25 and 51,969,643.89

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Solution

The fourth proportional to 154,204,720.53, 231,307,868.25 and 51,969,643.89 is: 77,954,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,720.53 : 231,307,868.25 = 51,969,643.89 : x
  2. Step 2: Convert to fraction form
    154,204,720.53/231,307,868.25 = 51,969,643.89/x
  3. Step 3: Cross multiply
    154,204,720.53x = 231,307,868.25 × 51,969,643.89
  4. Step 4: Simplify right side
    154,204,720.53x = 12,020,987,541,907,538
  5. Step 5: Solve for x
    x = 12,020,987,541,907,538/154,204,720.53
  6. Step 6: Final answer
    x = 77,954,731.22

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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.