Finding the Fourth Proportional to 87,634,676.64, 131,463,971.76 and 36,504,738.08
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Solution
The fourth proportional to 87,634,676.64, 131,463,971.76 and 36,504,738.08 is: 54,762,087.80
Step by Step Solution
- Step 1: Write the proportion equation
87,634,676.64 : 131,463,971.76 = 36,504,738.08 : x - Step 2: Convert to fraction form
87,634,676.64/131,463,971.76 = 36,504,738.08/x - Step 3: Cross multiply
87,634,676.64x = 131,463,971.76 × 36,504,738.08 - Step 4: Simplify right side
87,634,676.64x = 4,799,057,856,055,317 - Step 5: Solve for x
x = 4,799,057,856,055,317/87,634,676.64 - Step 6: Final answer
x = 54,762,087.80
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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.