Finding the Fourth Proportional to 196,236,428.91, 270,794,070.08 and 108,125,495.82
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Solution
The fourth proportional to 196,236,428.91, 270,794,070.08 and 108,125,495.82 is: 149,206,461.08
Step by Step Solution
- Step 1: Write the proportion equation
196,236,428.91 : 270,794,070.08 = 108,125,495.82 : x - Step 2: Convert to fraction form
196,236,428.91/270,794,070.08 = 108,125,495.82/x - Step 3: Cross multiply
196,236,428.91x = 270,794,070.08 × 108,125,495.82 - Step 4: Simplify right side
196,236,428.91x = 29,279,743,091,975,196 - Step 5: Solve for x
x = 29,279,743,091,975,196/196,236,428.91 - Step 6: Final answer
x = 149,206,461.08
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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.