Finding the Fourth Proportional to 81,823,722.94, 112,919,131.56 and 44,656,387.09
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Solution
The fourth proportional to 81,823,722.94, 112,919,131.56 and 44,656,387.09 is: 61,627,120.69
Step by Step Solution
- Step 1: Write the proportion equation
81,823,722.94 : 112,919,131.56 = 44,656,387.09 : x - Step 2: Convert to fraction form
81,823,722.94/112,919,131.56 = 44,656,387.09/x - Step 3: Cross multiply
81,823,722.94x = 112,919,131.56 × 44,656,387.09 - Step 4: Simplify right side
81,823,722.94x = 5,042,560,448,809,996 - Step 5: Solve for x
x = 5,042,560,448,809,996/81,823,722.94 - Step 6: Final answer
x = 61,627,120.69
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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.