Finding the Fourth Proportional to 78,804,906.05, 118,207,359.08 and 48,571,818.05
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Solution
The fourth proportional to 78,804,906.05, 118,207,359.08 and 48,571,818.05 is: 72,857,727.08
Step by Step Solution
- Step 1: Write the proportion equation
78,804,906.05 : 118,207,359.08 = 48,571,818.05 : x - Step 2: Convert to fraction form
78,804,906.05/118,207,359.08 = 48,571,818.05/x - Step 3: Cross multiply
78,804,906.05x = 118,207,359.08 × 48,571,818.05 - Step 4: Simplify right side
78,804,906.05x = 5,741,546,337,161,916 - Step 5: Solve for x
x = 5,741,546,337,161,916/78,804,906.05 - Step 6: Final answer
x = 72,857,727.08
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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.