Finding the Fourth Proportional to 206,757,701.40, 310,136,552.10 and 130,230,197.40
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Solution
The fourth proportional to 206,757,701.40, 310,136,552.10 and 130,230,197.40 is: 195,345,296.10
Step by Step Solution
- Step 1: Write the proportion equation
206,757,701.40 : 310,136,552.10 = 130,230,197.40 : x - Step 2: Convert to fraction form
206,757,701.40/310,136,552.10 = 130,230,197.40/x - Step 3: Cross multiply
206,757,701.40x = 310,136,552.10 × 130,230,197.40 - Step 4: Simplify right side
206,757,701.40x = 40,389,144,400,938,392 - Step 5: Solve for x
x = 40,389,144,400,938,392/206,757,701.40 - Step 6: Final answer
x = 195,345,296.10
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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.