Finding the Fourth Proportional to 91,085,376.80, 125,699,237.16 and 49,832,958.08
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Solution
The fourth proportional to 91,085,376.80, 125,699,237.16 and 49,832,958.08 is: 68,770,257.49
Step by Step Solution
- Step 1: Write the proportion equation
91,085,376.80 : 125,699,237.16 = 49,832,958.08 : x - Step 2: Convert to fraction form
91,085,376.80/125,699,237.16 = 49,832,958.08/x - Step 3: Cross multiply
91,085,376.80x = 125,699,237.16 × 49,832,958.08 - Step 4: Simplify right side
91,085,376.80x = 6,263,964,816,082,258 - Step 5: Solve for x
x = 6,263,964,816,082,258/91,085,376.80 - Step 6: Final answer
x = 68,770,257.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.