Finding the Fourth Proportional to 71,816,988.08, 99,107,557.08 and 40,877,159.60
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Solution
The fourth proportional to 71,816,988.08, 99,107,557.08 and 40,877,159.60 is: 56,410,544.87
Step by Step Solution
- Step 1: Write the proportion equation
71,816,988.08 : 99,107,557.08 = 40,877,159.60 : x - Step 2: Convert to fraction form
71,816,988.08/99,107,557.08 = 40,877,159.60/x - Step 3: Cross multiply
71,816,988.08x = 99,107,557.08 × 40,877,159.60 - Step 4: Simplify right side
71,816,988.08x = 4,051,235,428,325,270 - Step 5: Solve for x
x = 4,051,235,428,325,270/71,816,988.08 - Step 6: Final answer
x = 56,410,544.87
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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.