Finding the Fourth Proportional to 75,945,967.26, 104,805,938.06 and 41,138,657.69
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Solution
The fourth proportional to 75,945,967.26, 104,805,938.06 and 41,138,657.69 is: 56,771,620.20
Step by Step Solution
- Step 1: Write the proportion equation
75,945,967.26 : 104,805,938.06 = 41,138,657.69 : x - Step 2: Convert to fraction form
75,945,967.26/104,805,938.06 = 41,138,657.69/x - Step 3: Cross multiply
75,945,967.26x = 104,805,938.06 × 41,138,657.69 - Step 4: Simplify right side
75,945,967.26x = 4,311,575,608,999,960 - Step 5: Solve for x
x = 4,311,575,608,999,960/75,945,967.26 - Step 6: Final answer
x = 56,771,620.20
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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.