Finding the Fourth Proportional to 195,651,423.60, 293,477,135.40 and 192,628,114.80
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Solution
The fourth proportional to 195,651,423.60, 293,477,135.40 and 192,628,114.80 is: 288,942,172.20
Step by Step Solution
- Step 1: Write the proportion equation
195,651,423.60 : 293,477,135.40 = 192,628,114.80 : x - Step 2: Convert to fraction form
195,651,423.60/293,477,135.40 = 192,628,114.80/x - Step 3: Cross multiply
195,651,423.60x = 293,477,135.40 × 192,628,114.80 - Step 4: Simplify right side
195,651,423.60x = 56,531,947,329,006,344 - Step 5: Solve for x
x = 56,531,947,329,006,344/195,651,423.60 - Step 6: Final answer
x = 288,942,172.20
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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.