Finding the Fourth Proportional to 71,540,268.36, 98,746,979.49 and 41,778,944.38
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Solution
The fourth proportional to 71,540,268.36, 98,746,979.49 and 41,778,944.38 is: 57,667,446.01
Step by Step Solution
- Step 1: Write the proportion equation
71,540,268.36 : 98,746,979.49 = 41,778,944.38 : x - Step 2: Convert to fraction form
71,540,268.36/98,746,979.49 = 41,778,944.38/x - Step 3: Cross multiply
71,540,268.36x = 98,746,979.49 × 41,778,944.38 - Step 4: Simplify right side
71,540,268.36x = 4,125,544,563,103,081 - Step 5: Solve for x
x = 4,125,544,563,103,081/71,540,268.36 - Step 6: Final answer
x = 57,667,446.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.