Finding the Fourth Proportional to 76,843,992.68, 106,044,392.84 and 41,561,837.18
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Solution
The fourth proportional to 76,843,992.68, 106,044,392.84 and 41,561,837.18 is: 57,355,163.82
Step by Step Solution
- Step 1: Write the proportion equation
76,843,992.68 : 106,044,392.84 = 41,561,837.18 : x - Step 2: Convert to fraction form
76,843,992.68/106,044,392.84 = 41,561,837.18/x - Step 3: Cross multiply
76,843,992.68x = 106,044,392.84 × 41,561,837.18 - Step 4: Simplify right side
76,843,992.68x = 4,407,399,788,330,006 - Step 5: Solve for x
x = 4,407,399,788,330,006/76,843,992.68 - Step 6: Final answer
x = 57,355,163.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.