Finding the Fourth Proportional to 265,889,568.20, 366,988,826.12 and 155,916,710.60
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Solution
The fourth proportional to 265,889,568.20, 366,988,826.12 and 155,916,710.60 is: 215,200,960.99
Step by Step Solution
- Step 1: Write the proportion equation
265,889,568.20 : 366,988,826.12 = 155,916,710.60 : x - Step 2: Convert to fraction form
265,889,568.20/366,988,826.12 = 155,916,710.60/x - Step 3: Cross multiply
265,889,568.20x = 366,988,826.12 × 155,916,710.60 - Step 4: Simplify right side
265,889,568.20x = 57,219,690,592,971,232 - Step 5: Solve for x
x = 57,219,690,592,971,232/265,889,568.20 - Step 6: Final answer
x = 215,200,960.99
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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.