Finding the Fourth Proportional to 188,102,128.23, 259,581,538.33 and 104,470,243.68
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Solution
The fourth proportional to 188,102,128.23, 259,581,538.33 and 104,470,243.68 is: 144,169,270.28
Step by Step Solution
- Step 1: Write the proportion equation
188,102,128.23 : 259,581,538.33 = 104,470,243.68 : x - Step 2: Convert to fraction form
188,102,128.23/259,581,538.33 = 104,470,243.68/x - Step 3: Cross multiply
188,102,128.23x = 259,581,538.33 × 104,470,243.68 - Step 4: Simplify right side
188,102,128.23x = 27,118,546,564,164,364 - Step 5: Solve for x
x = 27,118,546,564,164,364/188,102,128.23 - Step 6: Final answer
x = 144,169,270.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.