Finding the Fourth Proportional to 78,368,585.08, 117,567,066.48 and 32,284,844.68
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Solution
The fourth proportional to 78,368,585.08, 117,567,066.48 and 32,284,844.68 is: 48,433,112.28
Step by Step Solution
- Step 1: Write the proportion equation
78,368,585.08 : 117,567,066.48 = 32,284,844.68 : x - Step 2: Convert to fraction form
78,368,585.08/117,567,066.48 = 32,284,844.68/x - Step 3: Cross multiply
78,368,585.08x = 117,567,066.48 × 32,284,844.68 - Step 4: Simplify right side
78,368,585.08x = 3,795,634,480,790,034.50 - Step 5: Solve for x
x = 3,795,634,480,790,034.50/78,368,585.08 - Step 6: Final answer
x = 48,433,112.28
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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.