Finding the Fourth Proportional to 66,984,318.87, 100,458,332.28 and 18,450,629.97
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Solution
The fourth proportional to 66,984,318.87, 100,458,332.28 and 18,450,629.97 is: 27,670,946.69
Step by Step Solution
- Step 1: Write the proportion equation
66,984,318.87 : 100,458,332.28 = 18,450,629.97 : x - Step 2: Convert to fraction form
66,984,318.87/100,458,332.28 = 18,450,629.97/x - Step 3: Cross multiply
66,984,318.87x = 100,458,332.28 × 18,450,629.97 - Step 4: Simplify right side
66,984,318.87x = 1,853,519,516,301,586.25 - Step 5: Solve for x
x = 1,853,519,516,301,586.25/66,984,318.87 - Step 6: Final answer
x = 27,670,946.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.