Finding the Fourth Proportional to 189,952,369.57, 284,855,922.87 and 103,644,645.31
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Solution
The fourth proportional to 189,952,369.57, 284,855,922.87 and 103,644,645.31 is: 155,427,337.69
Step by Step Solution
- Step 1: Write the proportion equation
189,952,369.57 : 284,855,922.87 = 103,644,645.31 : x - Step 2: Convert to fraction form
189,952,369.57/284,855,922.87 = 103,644,645.31/x - Step 3: Cross multiply
189,952,369.57x = 284,855,922.87 × 103,644,645.31 - Step 4: Simplify right side
189,952,369.57x = 29,523,791,090,313,868 - Step 5: Solve for x
x = 29,523,791,090,313,868/189,952,369.57 - Step 6: Final answer
x = 155,427,337.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.