Finding the Fourth Proportional to 71,816,974.08, 99,107,537.76 and 40,877,145.60
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Solution
The fourth proportional to 71,816,974.08, 99,107,537.76 and 40,877,145.60 is: 56,410,525.55
Step by Step Solution
- Step 1: Write the proportion equation
71,816,974.08 : 99,107,537.76 = 40,877,145.60 : x - Step 2: Convert to fraction form
71,816,974.08/99,107,537.76 = 40,877,145.60/x - Step 3: Cross multiply
71,816,974.08x = 99,107,537.76 × 40,877,145.60 - Step 4: Simplify right side
71,816,974.08x = 4,051,233,251,073,018 - Step 5: Solve for x
x = 4,051,233,251,073,018/71,816,974.08 - Step 6: Final answer
x = 56,410,525.55
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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.