Finding the Fourth Proportional to 271,128,968.68, 374,131,832.34 and 152,056,394.92
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Solution
The fourth proportional to 271,128,968.68, 374,131,832.34 and 152,056,394.92 is: 209,823,162.49
Step by Step Solution
- Step 1: Write the proportion equation
271,128,968.68 : 374,131,832.34 = 152,056,394.92 : x - Step 2: Convert to fraction form
271,128,968.68/374,131,832.34 = 152,056,394.92/x - Step 3: Cross multiply
271,128,968.68x = 374,131,832.34 × 152,056,394.92 - Step 4: Simplify right side
271,128,968.68x = 56,889,137,650,434,256 - Step 5: Solve for x
x = 56,889,137,650,434,256/271,128,968.68 - Step 6: Final answer
x = 209,823,162.49
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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.