Finding the Fourth Proportional to 78,804,550.05, 118,206,825.08 and 48,571,462.05
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Solution
The fourth proportional to 78,804,550.05, 118,206,825.08 and 48,571,462.05 is: 72,857,193.08
Step by Step Solution
- Step 1: Write the proportion equation
78,804,550.05 : 118,206,825.08 = 48,571,462.05 : x - Step 2: Convert to fraction form
78,804,550.05/118,206,825.08 = 48,571,462.05/x - Step 3: Cross multiply
78,804,550.05x = 118,206,825.08 × 48,571,462.05 - Step 4: Simplify right side
78,804,550.05x = 5,741,478,318,424,208 - Step 5: Solve for x
x = 5,741,478,318,424,208/78,804,550.05 - Step 6: Final answer
x = 72,857,193.08
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1.5x scale
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.