Home / 203,933,477,380.80-305,900,216,071.20-115,773,792,772.80

Finding the Fourth Proportional to 203,933,477,380.80, 305,900,216,071.20 and 115,773,792,772.80

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Solution

The fourth proportional to 203,933,477,380.80, 305,900,216,071.20 and 115,773,792,772.80 is: 173,660,689,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,933,477,380.80 : 305,900,216,071.20 = 115,773,792,772.80 : x
  2. Step 2: Convert to fraction form
    203,933,477,380.80/305,900,216,071.20 = 115,773,792,772.80/x
  3. Step 3: Cross multiply
    203,933,477,380.80x = 305,900,216,071.20 × 115,773,792,772.80
  4. Step 4: Simplify right side
    203,933,477,380.80x = 35,415,228,224,581,855,608,832
  5. Step 5: Solve for x
    x = 35,415,228,224,581,855,608,832/203,933,477,380.80
  6. Step 6: Final answer
    x = 173,660,689,159.20

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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.