Finding the Fourth Proportional to 165,966,992.01, 228,821,531.99 and 136,087,556.49
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Solution
The fourth proportional to 165,966,992.01, 228,821,531.99 and 136,087,556.49 is: 187,626,242.92
Step by Step Solution
- Step 1: Write the proportion equation
165,966,992.01 : 228,821,531.99 = 136,087,556.49 : x - Step 2: Convert to fraction form
165,966,992.01/228,821,531.99 = 136,087,556.49/x - Step 3: Cross multiply
165,966,992.01x = 228,821,531.99 × 136,087,556.49 - Step 4: Simplify right side
165,966,992.01x = 31,139,763,160,137,032 - Step 5: Solve for x
x = 31,139,763,160,137,032/165,966,992.01 - Step 6: Final answer
x = 187,626,242.92
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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.