Finding the Fourth Proportional to 272,791,383.42, 409,445,768.88 and 168,846,163.64
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Solution
The fourth proportional to 272,791,383.42, 409,445,768.88 and 168,846,163.64 is: 253,429,365.79
Step by Step Solution
- Step 1: Write the proportion equation
272,791,383.42 : 409,445,768.88 = 168,846,163.64 : x - Step 2: Convert to fraction form
272,791,383.42/409,445,768.88 = 168,846,163.64/x - Step 3: Cross multiply
272,791,383.42x = 409,445,768.88 × 168,846,163.64 - Step 4: Simplify right side
272,791,383.42x = 69,133,347,291,970,864 - Step 5: Solve for x
x = 69,133,347,291,970,864/272,791,383.42 - Step 6: Final answer
x = 253,429,365.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.