Home / 87,201,024.80-130,777,917.60-25,790,064.80

Finding the Fourth Proportional to 87,201,024.80, 130,777,917.60 and 25,790,064.80

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Solution

The fourth proportional to 87,201,024.80, 130,777,917.60 and 25,790,064.80 is: 38,678,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,201,024.80 : 130,777,917.60 = 25,790,064.80 : x
  2. Step 2: Convert to fraction form
    87,201,024.80/130,777,917.60 = 25,790,064.80/x
  3. Step 3: Cross multiply
    87,201,024.80x = 130,777,917.60 × 25,790,064.80
  4. Step 4: Simplify right side
    87,201,024.80x = 3,372,770,969,313,060.50
  5. Step 5: Solve for x
    x = 3,372,770,969,313,060.50/87,201,024.80
  6. Step 6: Final answer
    x = 38,678,111.61

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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.