Finding the Fourth Proportional to 175,816,537.60, 263,724,806.40 and 121,396,979.20
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Solution
The fourth proportional to 175,816,537.60, 263,724,806.40 and 121,396,979.20 is: 182,095,468.80
Step by Step Solution
- Step 1: Write the proportion equation
175,816,537.60 : 263,724,806.40 = 121,396,979.20 : x - Step 2: Convert to fraction form
175,816,537.60/263,724,806.40 = 121,396,979.20/x - Step 3: Cross multiply
175,816,537.60x = 263,724,806.40 × 121,396,979.20 - Step 4: Simplify right side
175,816,537.60x = 32,015,394,837,064,828 - Step 5: Solve for x
x = 32,015,394,837,064,828/175,816,537.60 - Step 6: Final answer
x = 182,095,468.80
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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.