Finding the Fourth Proportional to 121,351,805.70, 182,027,708.55 and 121,351,805.70
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Solution
The fourth proportional to 121,351,805.70, 182,027,708.55 and 121,351,805.70 is: 182,027,708.55
Step by Step Solution
- Step 1: Write the proportion equation
121,351,805.70 : 182,027,708.55 = 121,351,805.70 : x - Step 2: Convert to fraction form
121,351,805.70/182,027,708.55 = 121,351,805.70/x - Step 3: Cross multiply
121,351,805.70x = 182,027,708.55 × 121,351,805.70 - Step 4: Simplify right side
121,351,805.70x = 22,089,391,119,975,832 - Step 5: Solve for x
x = 22,089,391,119,975,832/121,351,805.70 - Step 6: Final answer
x = 182,027,708.55
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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.