Finding the Fourth Proportional to 205,791,481.46, 283,599,769.80 and 202,008,950.12
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Solution
The fourth proportional to 205,791,481.46, 283,599,769.80 and 202,008,950.12 is: 278,387,090.39
Step by Step Solution
- Step 1: Write the proportion equation
205,791,481.46 : 283,599,769.80 = 202,008,950.12 : x - Step 2: Convert to fraction form
205,791,481.46/283,599,769.80 = 202,008,950.12/x - Step 3: Cross multiply
205,791,481.46x = 283,599,769.80 × 202,008,950.12 - Step 4: Simplify right side
205,791,481.46x = 57,289,691,751,571,688 - Step 5: Solve for x
x = 57,289,691,751,571,688/205,791,481.46 - Step 6: Final answer
x = 278,387,090.39
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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.