Finding the Fourth Proportional to 196,695,871.04, 271,475,832.60 and 117,316,020.84
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Solution
The fourth proportional to 196,695,871.04, 271,475,832.60 and 117,316,020.84 is: 161,917,300.38
Step by Step Solution
- Step 1: Write the proportion equation
196,695,871.04 : 271,475,832.60 = 117,316,020.84 : x - Step 2: Convert to fraction form
196,695,871.04/271,475,832.60 = 117,316,020.84/x - Step 3: Cross multiply
196,695,871.04x = 271,475,832.60 × 117,316,020.84 - Step 4: Simplify right side
196,695,871.04x = 31,848,464,434,857,956 - Step 5: Solve for x
x = 31,848,464,434,857,956/196,695,871.04 - Step 6: Final answer
x = 161,917,300.38
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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.