Finding the Fourth Proportional to 168,098,102.48, 252,223,767.37 and 86,274,440.81
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Solution
The fourth proportional to 168,098,102.48, 252,223,767.37 and 86,274,440.81 is: 129,450,982.31
Step by Step Solution
- Step 1: Write the proportion equation
168,098,102.48 : 252,223,767.37 = 86,274,440.81 : x - Step 2: Convert to fraction form
168,098,102.48/252,223,767.37 = 86,274,440.81/x - Step 3: Cross multiply
168,098,102.48x = 252,223,767.37 × 86,274,440.81 - Step 4: Simplify right side
168,098,102.48x = 21,760,464,489,253,148 - Step 5: Solve for x
x = 21,760,464,489,253,148/168,098,102.48 - Step 6: Final answer
x = 129,450,982.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.