Finding the Fourth Proportional to 213,237,589.42, 294,287,598.39 and 129,586,414.06
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Solution
The fourth proportional to 213,237,589.42, 294,287,598.39 and 129,586,414.06 is: 178,841,238.46
Step by Step Solution
- Step 1: Write the proportion equation
213,237,589.42 : 294,287,598.39 = 129,586,414.06 : x - Step 2: Convert to fraction form
213,237,589.42/294,287,598.39 = 129,586,414.06/x - Step 3: Cross multiply
213,237,589.42x = 294,287,598.39 × 129,586,414.06 - Step 4: Simplify right side
213,237,589.42x = 38,135,674,577,689,528 - Step 5: Solve for x
x = 38,135,674,577,689,528/213,237,589.42 - Step 6: Final answer
x = 178,841,238.46
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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.