Finding the Fourth Proportional to 122,801,691.60, 184,202,537.40 and 112,757,456.70
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Solution
The fourth proportional to 122,801,691.60, 184,202,537.40 and 112,757,456.70 is: 169,136,185.05
Step by Step Solution
- Step 1: Write the proportion equation
122,801,691.60 : 184,202,537.40 = 112,757,456.70 : x - Step 2: Convert to fraction form
122,801,691.60/184,202,537.40 = 112,757,456.70/x - Step 3: Cross multiply
122,801,691.60x = 184,202,537.40 × 112,757,456.70 - Step 4: Simplify right side
122,801,691.60x = 20,770,209,634,910,632 - Step 5: Solve for x
x = 20,770,209,634,910,632/122,801,691.60 - Step 6: Final answer
x = 169,136,185.05
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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.