Finding the Fourth Proportional to 201,206,652.80, 301,809,979.20 and 201,206,652.80
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Solution
The fourth proportional to 201,206,652.80, 301,809,979.20 and 201,206,652.80 is: 301,809,979.20
Step by Step Solution
- Step 1: Write the proportion equation
201,206,652.80 : 301,809,979.20 = 201,206,652.80 : x - Step 2: Convert to fraction form
201,206,652.80/301,809,979.20 = 201,206,652.80/x - Step 3: Cross multiply
201,206,652.80x = 301,809,979.20 × 201,206,652.80 - Step 4: Simplify right side
201,206,652.80x = 60,726,175,696,469,624 - Step 5: Solve for x
x = 60,726,175,696,469,624/201,206,652.80 - Step 6: Final answer
x = 301,809,979.20
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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.