Home / 87,453,803.20-131,180,704.80-30,720,107.20

Finding the Fourth Proportional to 87,453,803.20, 131,180,704.80 and 30,720,107.20

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Solution

The fourth proportional to 87,453,803.20, 131,180,704.80 and 30,720,107.20 is: 46,080,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,453,803.20 : 131,180,704.80 = 30,720,107.20 : x
  2. Step 2: Convert to fraction form
    87,453,803.20/131,180,704.80 = 30,720,107.20/x
  3. Step 3: Cross multiply
    87,453,803.20x = 131,180,704.80 × 30,720,107.20
  4. Step 4: Simplify right side
    87,453,803.20x = 4,029,885,314,027,554.50
  5. Step 5: Solve for x
    x = 4,029,885,314,027,554.50/87,453,803.20
  6. Step 6: Final answer
    x = 46,080,160.80

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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.