Finding the Fourth Proportional to 235,670,287.68, 325,264,573.44 and 136,612,998.72
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Solution
The fourth proportional to 235,670,287.68, 325,264,573.44 and 136,612,998.72 is: 188,548,879.85
Step by Step Solution
- Step 1: Write the proportion equation
235,670,287.68 : 325,264,573.44 = 136,612,998.72 : x - Step 2: Convert to fraction form
235,670,287.68/325,264,573.44 = 136,612,998.72/x - Step 3: Cross multiply
235,670,287.68x = 325,264,573.44 × 136,612,998.72 - Step 4: Simplify right side
235,670,287.68x = 44,435,368,755,020,064 - Step 5: Solve for x
x = 44,435,368,755,020,064/235,670,287.68 - Step 6: Final answer
x = 188,548,879.85
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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.