Home / 202,416,010.30-303,624,015.45-100,379,338.30

Finding the Fourth Proportional to 202,416,010.30, 303,624,015.45 and 100,379,338.30

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Solution

The fourth proportional to 202,416,010.30, 303,624,015.45 and 100,379,338.30 is: 150,569,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,416,010.30 : 303,624,015.45 = 100,379,338.30 : x
  2. Step 2: Convert to fraction form
    202,416,010.30/303,624,015.45 = 100,379,338.30/x
  3. Step 3: Cross multiply
    202,416,010.30x = 303,624,015.45 × 100,379,338.30
  4. Step 4: Simplify right side
    202,416,010.30x = 30,477,577,762,859,976
  5. Step 5: Solve for x
    x = 30,477,577,762,859,976/202,416,010.30
  6. Step 6: Final answer
    x = 150,569,007.45

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Double scale
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Similar ratio
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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.