Finding the Fourth Proportional to 188,102,128.48, 259,581,538.68 and 104,470,243.93
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Solution
The fourth proportional to 188,102,128.48, 259,581,538.68 and 104,470,243.93 is: 144,169,270.62
Step by Step Solution
- Step 1: Write the proportion equation
188,102,128.48 : 259,581,538.68 = 104,470,243.93 : x - Step 2: Convert to fraction form
188,102,128.48/259,581,538.68 = 104,470,243.93/x - Step 3: Cross multiply
188,102,128.48x = 259,581,538.68 × 104,470,243.93 - Step 4: Simplify right side
188,102,128.48x = 27,118,546,663,804,072 - Step 5: Solve for x
x = 27,118,546,663,804,072/188,102,128.48 - Step 6: Final answer
x = 144,169,270.62
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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.