Finding the Fourth Proportional to 48,705,157.48, 67,194,408.84 and 27,798,350.53
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Solution
The fourth proportional to 48,705,157.48, 67,194,408.84 and 27,798,350.53 is: 38,351,045.91
Step by Step Solution
- Step 1: Write the proportion equation
48,705,157.48 : 67,194,408.84 = 27,798,350.53 : x - Step 2: Convert to fraction form
48,705,157.48/67,194,408.84 = 27,798,350.53/x - Step 3: Cross multiply
48,705,157.48x = 67,194,408.84 × 27,798,350.53 - Step 4: Simplify right side
48,705,157.48x = 1,867,893,730,590,450.75 - Step 5: Solve for x
x = 1,867,893,730,590,450.75/48,705,157.48 - Step 6: Final answer
x = 38,351,045.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.