Finding the Fourth Proportional to 201,442,403.40, 302,163,605.10 and 186,136,902.60
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Solution
The fourth proportional to 201,442,403.40, 302,163,605.10 and 186,136,902.60 is: 279,205,353.90
Step by Step Solution
- Step 1: Write the proportion equation
201,442,403.40 : 302,163,605.10 = 186,136,902.60 : x - Step 2: Convert to fraction form
201,442,403.40/302,163,605.10 = 186,136,902.60/x - Step 3: Cross multiply
201,442,403.40x = 302,163,605.10 × 186,136,902.60 - Step 4: Simplify right side
201,442,403.40x = 56,243,797,531,763,568 - Step 5: Solve for x
x = 56,243,797,531,763,568/201,442,403.40 - Step 6: Final answer
x = 279,205,353.90
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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.