Finding the Fourth Proportional to 201,941,578.60, 302,912,367.90 and 167,504,201.80
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Solution
The fourth proportional to 201,941,578.60, 302,912,367.90 and 167,504,201.80 is: 251,256,302.70
Step by Step Solution
- Step 1: Write the proportion equation
201,941,578.60 : 302,912,367.90 = 167,504,201.80 : x - Step 2: Convert to fraction form
201,941,578.60/302,912,367.90 = 167,504,201.80/x - Step 3: Cross multiply
201,941,578.60x = 302,912,367.90 × 167,504,201.80 - Step 4: Simplify right side
201,941,578.60x = 50,739,094,400,437,440 - Step 5: Solve for x
x = 50,739,094,400,437,440/201,941,578.60 - Step 6: Final answer
x = 251,256,302.70
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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.