Finding the Fourth Proportional to 108,375,989.58, 149,558,943.60 and 58,816,350.12
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Solution
The fourth proportional to 108,375,989.58, 149,558,943.60 and 58,816,350.12 is: 81,166,605.49
Step by Step Solution
- Step 1: Write the proportion equation
108,375,989.58 : 149,558,943.60 = 58,816,350.12 : x - Step 2: Convert to fraction form
108,375,989.58/149,558,943.60 = 58,816,350.12/x - Step 3: Cross multiply
108,375,989.58x = 149,558,943.60 × 58,816,350.12 - Step 4: Simplify right side
108,375,989.58x = 8,796,511,190,354,932 - Step 5: Solve for x
x = 8,796,511,190,354,932/108,375,989.58 - Step 6: Final answer
x = 81,166,605.49
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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.