Finding the Fourth Proportional to 252,068,236.43, 378,114,174.18 and 122,521,424.27
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Solution
The fourth proportional to 252,068,236.43, 378,114,174.18 and 122,521,424.27 is: 183,787,881.46
Step by Step Solution
- Step 1: Write the proportion equation
252,068,236.43 : 378,114,174.18 = 122,521,424.27 : x - Step 2: Convert to fraction form
252,068,236.43/378,114,174.18 = 122,521,424.27/x - Step 3: Cross multiply
252,068,236.43x = 378,114,174.18 × 122,521,424.27 - Step 4: Simplify right side
252,068,236.43x = 46,327,087,155,317,888 - Step 5: Solve for x
x = 46,327,087,155,317,888/252,068,236.43 - Step 6: Final answer
x = 183,787,881.46
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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.