Finding the Fourth Proportional to 91,937,494.19, 126,874,608.69 and 50,685,862.79
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Solution
The fourth proportional to 91,937,494.19, 126,874,608.69 and 50,685,862.79 is: 69,946,968.48
Step by Step Solution
- Step 1: Write the proportion equation
91,937,494.19 : 126,874,608.69 = 50,685,862.79 : x - Step 2: Convert to fraction form
91,937,494.19/126,874,608.69 = 50,685,862.79/x - Step 3: Cross multiply
91,937,494.19x = 126,874,608.69 × 50,685,862.79 - Step 4: Simplify right side
91,937,494.19x = 6,430,749,008,103,539 - Step 5: Solve for x
x = 6,430,749,008,103,539/91,937,494.19 - Step 6: Final answer
x = 69,946,968.48
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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.