Finding the Fourth Proportional to 179,411,691.38, 247,588,309.67 and 96,905,476.13
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Solution
The fourth proportional to 179,411,691.38, 247,588,309.67 and 96,905,476.13 is: 133,729,651.88
Step by Step Solution
- Step 1: Write the proportion equation
179,411,691.38 : 247,588,309.67 = 96,905,476.13 : x - Step 2: Convert to fraction form
179,411,691.38/247,588,309.67 = 96,905,476.13/x - Step 3: Cross multiply
179,411,691.38x = 247,588,309.67 × 96,905,476.13 - Step 4: Simplify right side
179,411,691.38x = 23,992,663,031,070,764 - Step 5: Solve for x
x = 23,992,663,031,070,764/179,411,691.38 - Step 6: Final answer
x = 133,729,651.88
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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.