Finding the Fourth Proportional to 49,173,917.35, 67,868,888.97 and 29,328,957.04
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Solution
The fourth proportional to 49,173,917.35, 67,868,888.97 and 29,328,957.04 is: 40,479,258.85
Step by Step Solution
- Step 1: Write the proportion equation
49,173,917.35 : 67,868,888.97 = 29,328,957.04 : x - Step 2: Convert to fraction form
49,173,917.35/67,868,888.97 = 29,328,957.04/x - Step 3: Cross multiply
49,173,917.35x = 67,868,888.97 × 29,328,957.04 - Step 4: Simplify right side
49,173,917.35x = 1,990,523,728,953,659.75 - Step 5: Solve for x
x = 1,990,523,728,953,659.75/49,173,917.35 - Step 6: Final answer
x = 40,479,258.85
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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.