Finding the Fourth Proportional to 186,624,062.40, 279,936,093.60 and 91,072,574.40
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Solution
The fourth proportional to 186,624,062.40, 279,936,093.60 and 91,072,574.40 is: 136,608,861.60
Step by Step Solution
- Step 1: Write the proportion equation
186,624,062.40 : 279,936,093.60 = 91,072,574.40 : x - Step 2: Convert to fraction form
186,624,062.40/279,936,093.60 = 91,072,574.40/x - Step 3: Cross multiply
186,624,062.40x = 279,936,093.60 × 91,072,574.40 - Step 4: Simplify right side
186,624,062.40x = 25,494,500,711,631,368 - Step 5: Solve for x
x = 25,494,500,711,631,368/186,624,062.40 - Step 6: Final answer
x = 136,608,861.60
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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.