Finding the Fourth Proportional to 99,646,114.92, 137,511,724.20 and 55,593,120.60
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Solution
The fourth proportional to 99,646,114.92, 137,511,724.20 and 55,593,120.60 is: 76,718,554.19
Step by Step Solution
- Step 1: Write the proportion equation
99,646,114.92 : 137,511,724.20 = 55,593,120.60 : x - Step 2: Convert to fraction form
99,646,114.92/137,511,724.20 = 55,593,120.60/x - Step 3: Cross multiply
99,646,114.92x = 137,511,724.20 × 55,593,120.60 - Step 4: Simplify right side
99,646,114.92x = 7,644,705,867,364,538 - Step 5: Solve for x
x = 7,644,705,867,364,538/99,646,114.92 - Step 6: Final answer
x = 76,718,554.19
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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.