Finding the Fourth Proportional to 81,823,721.94, 112,919,130.18 and 44,656,386.09
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Solution
The fourth proportional to 81,823,721.94, 112,919,130.18 and 44,656,386.09 is: 61,627,119.31
Step by Step Solution
- Step 1: Write the proportion equation
81,823,721.94 : 112,919,130.18 = 44,656,386.09 : x - Step 2: Convert to fraction form
81,823,721.94/112,919,130.18 = 44,656,386.09/x - Step 3: Cross multiply
81,823,721.94x = 112,919,130.18 × 44,656,386.09 - Step 4: Simplify right side
81,823,721.94x = 5,042,560,274,265,052 - Step 5: Solve for x
x = 5,042,560,274,265,052/81,823,721.94 - Step 6: Final answer
x = 61,627,119.31
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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.