Finding the Fourth Proportional to 137,799,906.01, 190,163,765.81 and 75,920,244.57
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Solution
The fourth proportional to 137,799,906.01, 190,163,765.81 and 75,920,244.57 is: 104,769,879.94
Step by Step Solution
- Step 1: Write the proportion equation
137,799,906.01 : 190,163,765.81 = 75,920,244.57 : x - Step 2: Convert to fraction form
137,799,906.01/190,163,765.81 = 75,920,244.57/x - Step 3: Cross multiply
137,799,906.01x = 190,163,765.81 × 75,920,244.57 - Step 4: Simplify right side
137,799,906.01x = 14,437,279,608,837,204 - Step 5: Solve for x
x = 14,437,279,608,837,204/137,799,906.01 - Step 6: Final answer
x = 104,769,879.94
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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.