Finding the Fourth Proportional to 78,368,586.08, 117,567,067.98 and 32,284,845.68
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Solution
The fourth proportional to 78,368,586.08, 117,567,067.98 and 32,284,845.68 is: 48,433,113.79
Step by Step Solution
- Step 1: Write the proportion equation
78,368,586.08 : 117,567,067.98 = 32,284,845.68 : x - Step 2: Convert to fraction form
78,368,586.08/117,567,067.98 = 32,284,845.68/x - Step 3: Cross multiply
78,368,586.08x = 117,567,067.98 × 32,284,845.68 - Step 4: Simplify right side
78,368,586.08x = 3,795,634,646,784,369.50 - Step 5: Solve for x
x = 3,795,634,646,784,369.50/78,368,586.08 - Step 6: Final answer
x = 48,433,113.79
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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.