Home / 258,682,912.80-388,024,369.20-177,053,575.20

Finding the Fourth Proportional to 258,682,912.80, 388,024,369.20 and 177,053,575.20

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Solution

The fourth proportional to 258,682,912.80, 388,024,369.20 and 177,053,575.20 is: 265,580,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,682,912.80 : 388,024,369.20 = 177,053,575.20 : x
  2. Step 2: Convert to fraction form
    258,682,912.80/388,024,369.20 = 177,053,575.20/x
  3. Step 3: Cross multiply
    258,682,912.80x = 388,024,369.20 × 177,053,575.20
  4. Step 4: Simplify right side
    258,682,912.80x = 68,701,101,831,584,760
  5. Step 5: Solve for x
    x = 68,701,101,831,584,760/258,682,912.80
  6. Step 6: Final answer
    x = 265,580,362.80

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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.