Finding the Fourth Proportional to 49,731,512.20, 68,634,128.76 and 29,104,974.79
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Solution
The fourth proportional to 49,731,512.20, 68,634,128.76 and 29,104,974.79 is: 40,167,581.86
Step by Step Solution
- Step 1: Write the proportion equation
49,731,512.20 : 68,634,128.76 = 29,104,974.79 : x - Step 2: Convert to fraction form
49,731,512.20/68,634,128.76 = 29,104,974.79/x - Step 3: Cross multiply
49,731,512.20x = 68,634,128.76 × 29,104,974.79 - Step 4: Simplify right side
49,731,512.20x = 1,997,594,587,398,751.75 - Step 5: Solve for x
x = 1,997,594,587,398,751.75/49,731,512.20 - Step 6: Final answer
x = 40,167,581.86
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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.