Finding the Fourth Proportional to 136,282,914.79, 204,424,372.18 and 81,863,356.39
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Solution
The fourth proportional to 136,282,914.79, 204,424,372.18 and 81,863,356.39 is: 122,795,034.58
Step by Step Solution
- Step 1: Write the proportion equation
136,282,914.79 : 204,424,372.18 = 81,863,356.39 : x - Step 2: Convert to fraction form
136,282,914.79/204,424,372.18 = 81,863,356.39/x - Step 3: Cross multiply
136,282,914.79x = 204,424,372.18 × 81,863,356.39 - Step 4: Simplify right side
136,282,914.79x = 16,734,865,234,164,610 - Step 5: Solve for x
x = 16,734,865,234,164,610/136,282,914.79 - Step 6: Final answer
x = 122,795,034.58
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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.