Home / 271,918,529.78-407,957,386.37-87,682,300.62

Finding the Fourth Proportional to 271,918,529.78, 407,957,386.37 and 87,682,300.62

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Solution

The fourth proportional to 271,918,529.78, 407,957,386.37 and 87,682,300.62 is: 131,549,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,918,529.78 : 407,957,386.37 = 87,682,300.62 : x
  2. Step 2: Convert to fraction form
    271,918,529.78/407,957,386.37 = 87,682,300.62/x
  3. Step 3: Cross multiply
    271,918,529.78x = 407,957,386.37 × 87,682,300.62
  4. Step 4: Simplify right side
    271,918,529.78x = 35,770,642,191,405,420
  5. Step 5: Solve for x
    x = 35,770,642,191,405,420/271,918,529.78
  6. Step 6: Final answer
    x = 131,549,115.91

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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.