Finding the Fourth Proportional to 136,282,795.60, 204,424,193.40 and 81,863,237.20
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Solution
The fourth proportional to 136,282,795.60, 204,424,193.40 and 81,863,237.20 is: 122,794,855.80
Step by Step Solution
- Step 1: Write the proportion equation
136,282,795.60 : 204,424,193.40 = 81,863,237.20 : x - Step 2: Convert to fraction form
136,282,795.60/204,424,193.40 = 81,863,237.20/x - Step 3: Cross multiply
136,282,795.60x = 204,424,193.40 × 81,863,237.20 - Step 4: Simplify right side
136,282,795.60x = 16,734,826,233,722,876 - Step 5: Solve for x
x = 16,734,826,233,722,876/136,282,795.60 - Step 6: Final answer
x = 122,794,855.80
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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.