Finding the Fourth Proportional to 81,560,064.24, 112,552,882.36 and 44,390,611.04
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Solution
The fourth proportional to 81,560,064.24, 112,552,882.36 and 44,390,611.04 is: 61,259,039.81
Step by Step Solution
- Step 1: Write the proportion equation
81,560,064.24 : 112,552,882.36 = 44,390,611.04 : x - Step 2: Convert to fraction form
81,560,064.24/112,552,882.36 = 44,390,611.04/x - Step 3: Cross multiply
81,560,064.24x = 112,552,882.36 × 44,390,611.04 - Step 4: Simplify right side
81,560,064.24x = 4,996,291,222,273,637 - Step 5: Solve for x
x = 4,996,291,222,273,637/81,560,064.24 - Step 6: Final answer
x = 61,259,039.81
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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.