Finding the Fourth Proportional to 81,761,249.59, 122,674,591.92 and 33,242,832.79
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Solution
The fourth proportional to 81,761,249.59, 122,674,591.92 and 33,242,832.79 is: 49,877,551.62
Step by Step Solution
- Step 1: Write the proportion equation
81,761,249.59 : 122,674,591.92 = 33,242,832.79 : x - Step 2: Convert to fraction form
81,761,249.59/122,674,591.92 = 33,242,832.79/x - Step 3: Cross multiply
81,761,249.59x = 122,674,591.92 × 33,242,832.79 - Step 4: Simplify right side
81,761,249.59x = 4,078,050,946,778,045 - Step 5: Solve for x
x = 4,078,050,946,778,045/81,761,249.59 - Step 6: Final answer
x = 49,877,551.62
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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.