Finding the Fourth Proportional to 213,425,227.68, 294,513,131.16 and 119,347,129.68
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Solution
The fourth proportional to 213,425,227.68, 294,513,131.16 and 119,347,129.68 is: 164,691,387.42
Step by Step Solution
- Step 1: Write the proportion equation
213,425,227.68 : 294,513,131.16 = 119,347,129.68 : x - Step 2: Convert to fraction form
213,425,227.68/294,513,131.16 = 119,347,129.68/x - Step 3: Cross multiply
213,425,227.68x = 294,513,131.16 × 119,347,129.68 - Step 4: Simplify right side
213,425,227.68x = 35,149,296,857,015,376 - Step 5: Solve for x
x = 35,149,296,857,015,376/213,425,227.68 - Step 6: Final answer
x = 164,691,387.42
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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.