Home / 180,856,919.40-271,285,379.10-172,542,820.20

Finding the Fourth Proportional to 180,856,919.40, 271,285,379.10 and 172,542,820.20

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Solution

The fourth proportional to 180,856,919.40, 271,285,379.10 and 172,542,820.20 is: 258,814,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856,919.40 : 271,285,379.10 = 172,542,820.20 : x
  2. Step 2: Convert to fraction form
    180,856,919.40/271,285,379.10 = 172,542,820.20/x
  3. Step 3: Cross multiply
    180,856,919.40x = 271,285,379.10 × 172,542,820.20
  4. Step 4: Simplify right side
    180,856,919.40x = 46,808,344,388,940,136
  5. Step 5: Solve for x
    x = 46,808,344,388,940,136/180,856,919.40
  6. Step 6: Final answer
    x = 258,814,230.30

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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.