Home / 272,879,610.30-409,319,415.45-100,320,717.60

Finding the Fourth Proportional to 272,879,610.30, 409,319,415.45 and 100,320,717.60

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Solution

The fourth proportional to 272,879,610.30, 409,319,415.45 and 100,320,717.60 is: 150,481,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,879,610.30 : 409,319,415.45 = 100,320,717.60 : x
  2. Step 2: Convert to fraction form
    272,879,610.30/409,319,415.45 = 100,320,717.60/x
  3. Step 3: Cross multiply
    272,879,610.30x = 409,319,415.45 × 100,320,717.60
  4. Step 4: Simplify right side
    272,879,610.30x = 41,063,217,485,556,520
  5. Step 5: Solve for x
    x = 41,063,217,485,556,520/272,879,610.30
  6. Step 6: Final answer
    x = 150,481,076.40

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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.