Finding the Fourth Proportional to 204,310,268.40, 306,465,402.60 and 135,931,234.80
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Solution
The fourth proportional to 204,310,268.40, 306,465,402.60 and 135,931,234.80 is: 203,896,852.20
Step by Step Solution
- Step 1: Write the proportion equation
204,310,268.40 : 306,465,402.60 = 135,931,234.80 : x - Step 2: Convert to fraction form
204,310,268.40/306,465,402.60 = 135,931,234.80/x - Step 3: Cross multiply
204,310,268.40x = 306,465,402.60 × 135,931,234.80 - Step 4: Simplify right side
204,310,268.40x = 41,658,220,598,897,136 - Step 5: Solve for x
x = 41,658,220,598,897,136/204,310,268.40 - Step 6: Final answer
x = 203,896,852.20
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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.