Finding the Fourth Proportional to 81,823,716.13, 112,919,122.16 and 44,656,380.28
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Solution
The fourth proportional to 81,823,716.13, 112,919,122.16 and 44,656,380.28 is: 61,627,111.29
Step by Step Solution
- Step 1: Write the proportion equation
81,823,716.13 : 112,919,122.16 = 44,656,380.28 : x - Step 2: Convert to fraction form
81,823,716.13/112,919,122.16 = 44,656,380.28/x - Step 3: Cross multiply
81,823,716.13x = 112,919,122.16 × 44,656,380.28 - Step 4: Simplify right side
81,823,716.13x = 5,042,559,259,890,078 - Step 5: Solve for x
x = 5,042,559,259,890,078/81,823,716.13 - Step 6: Final answer
x = 61,627,111.29
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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.