Finding the Fourth Proportional to 189,585,813.57, 284,389,349.12 and 53,260,568.37
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Solution
The fourth proportional to 189,585,813.57, 284,389,349.12 and 53,260,568.37 is: 79,893,838.51
Step by Step Solution
- Step 1: Write the proportion equation
189,585,813.57 : 284,389,349.12 = 53,260,568.37 : x - Step 2: Convert to fraction form
189,585,813.57/284,389,349.12 = 53,260,568.37/x - Step 3: Cross multiply
189,585,813.57x = 284,389,349.12 × 53,260,568.37 - Step 4: Simplify right side
189,585,813.57x = 15,146,738,372,239,256 - Step 5: Solve for x
x = 15,146,738,372,239,256/189,585,813.57 - Step 6: Final answer
x = 79,893,838.51
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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.