Finding the Fourth Proportional to 189,585,814.32, 284,389,350.24 and 53,260,569.12
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Solution
The fourth proportional to 189,585,814.32, 284,389,350.24 and 53,260,569.12 is: 79,893,839.63
Step by Step Solution
- Step 1: Write the proportion equation
189,585,814.32 : 284,389,350.24 = 53,260,569.12 : x - Step 2: Convert to fraction form
189,585,814.32/284,389,350.24 = 53,260,569.12/x - Step 3: Cross multiply
189,585,814.32x = 284,389,350.24 × 53,260,569.12 - Step 4: Simplify right side
189,585,814.32x = 15,146,738,645,449,408 - Step 5: Solve for x
x = 15,146,738,645,449,408/189,585,814.32 - Step 6: Final answer
x = 79,893,839.63
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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.