Finding the Fourth Proportional to 186,271,360.27, 257,042,894.97 and 102,634,810.49
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Solution
The fourth proportional to 186,271,360.27, 257,042,894.97 and 102,634,810.49 is: 141,629,656.73
Step by Step Solution
- Step 1: Write the proportion equation
186,271,360.27 : 257,042,894.97 = 102,634,810.49 : x - Step 2: Convert to fraction form
186,271,360.27/257,042,894.97 = 102,634,810.49/x - Step 3: Cross multiply
186,271,360.27x = 257,042,894.97 × 102,634,810.49 - Step 4: Simplify right side
186,271,360.27x = 26,381,548,814,074,412 - Step 5: Solve for x
x = 26,381,548,814,074,412/186,271,360.27 - Step 6: Final answer
x = 141,629,656.73
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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.