Finding the Fourth Proportional to 81,176,083.36, 121,751,822.08 and 22,093,067.87
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Solution
The fourth proportional to 81,176,083.36, 121,751,822.08 and 22,093,067.87 is: 33,136,253.40
Step by Step Solution
- Step 1: Write the proportion equation
81,176,083.36 : 121,751,822.08 = 22,093,067.87 : x - Step 2: Convert to fraction form
81,176,083.36/121,751,822.08 = 22,093,067.87/x - Step 3: Cross multiply
81,176,083.36x = 121,751,822.08 × 22,093,067.87 - Step 4: Simplify right side
81,176,083.36x = 2,689,871,268,731,157 - Step 5: Solve for x
x = 2,689,871,268,731,157/81,176,083.36 - Step 6: Final answer
x = 33,136,253.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.