Finding the Fourth Proportional to 213,288,600.68, 294,254,936.70 and 123,965,703.08
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Solution
The fourth proportional to 213,288,600.68, 294,254,936.70 and 123,965,703.08 is: 171,024,236.63
Step by Step Solution
- Step 1: Write the proportion equation
213,288,600.68 : 294,254,936.70 = 123,965,703.08 : x - Step 2: Convert to fraction form
213,288,600.68/294,254,936.70 = 123,965,703.08/x - Step 3: Cross multiply
213,288,600.68x = 294,254,936.70 × 123,965,703.08 - Step 4: Simplify right side
213,288,600.68x = 36,477,520,112,776,392 - Step 5: Solve for x
x = 36,477,520,112,776,392/213,288,600.68 - Step 6: Final answer
x = 171,024,236.63
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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.