Finding the Fourth Proportional to 149,562,935.16, 206,431,287.84 and 87,703,202.76
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Solution
The fourth proportional to 149,562,935.16, 206,431,287.84 and 87,703,202.76 is: 121,050,613.74
Step by Step Solution
- Step 1: Write the proportion equation
149,562,935.16 : 206,431,287.84 = 87,703,202.76 : x - Step 2: Convert to fraction form
149,562,935.16/206,431,287.84 = 87,703,202.76/x - Step 3: Cross multiply
149,562,935.16x = 206,431,287.84 × 87,703,202.76 - Step 4: Simplify right side
149,562,935.16x = 18,104,685,093,439,444 - Step 5: Solve for x
x = 18,104,685,093,439,444/149,562,935.16 - Step 6: Final answer
x = 121,050,613.74
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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.