Home / 202,416,675.80-303,625,013.70-100,380,003.80

Finding the Fourth Proportional to 202,416,675.80, 303,625,013.70 and 100,380,003.80

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Solution

The fourth proportional to 202,416,675.80, 303,625,013.70 and 100,380,003.80 is: 150,570,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,416,675.80 : 303,625,013.70 = 100,380,003.80 : x
  2. Step 2: Convert to fraction form
    202,416,675.80/303,625,013.70 = 100,380,003.80/x
  3. Step 3: Cross multiply
    202,416,675.80x = 303,625,013.70 × 100,380,003.80
  4. Step 4: Simplify right side
    202,416,675.80x = 30,477,880,028,981,048
  5. Step 5: Solve for x
    x = 30,477,880,028,981,048/202,416,675.80
  6. Step 6: Final answer
    x = 150,570,005.70

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1.5x scale

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.