Finding the Fourth Proportional to 121,351,803.20, 182,027,704.80 and 121,351,803.20
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Solution
The fourth proportional to 121,351,803.20, 182,027,704.80 and 121,351,803.20 is: 182,027,704.80
Step by Step Solution
- Step 1: Write the proportion equation
121,351,803.20 : 182,027,704.80 = 121,351,803.20 : x - Step 2: Convert to fraction form
121,351,803.20/182,027,704.80 = 121,351,803.20/x - Step 3: Cross multiply
121,351,803.20x = 182,027,704.80 × 121,351,803.20 - Step 4: Simplify right side
121,351,803.20x = 22,089,390,209,837,296 - Step 5: Solve for x
x = 22,089,390,209,837,296/121,351,803.20 - Step 6: Final answer
x = 182,027,704.80
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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.