Home / 120,180,736.80-180,271,105.20-43,476,085.80

Finding the Fourth Proportional to 120,180,736.80, 180,271,105.20 and 43,476,085.80

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Solution

The fourth proportional to 120,180,736.80, 180,271,105.20 and 43,476,085.80 is: 65,214,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,180,736.80 : 180,271,105.20 = 43,476,085.80 : x
  2. Step 2: Convert to fraction form
    120,180,736.80/180,271,105.20 = 43,476,085.80/x
  3. Step 3: Cross multiply
    120,180,736.80x = 180,271,105.20 × 43,476,085.80
  4. Step 4: Simplify right side
    120,180,736.80x = 7,837,482,036,936,025
  5. Step 5: Solve for x
    x = 7,837,482,036,936,025/120,180,736.80
  6. Step 6: Final answer
    x = 65,214,128.70

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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.