Finding the Fourth Proportional to 108,375,990.58, 149,558,944.98 and 58,816,351.12
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Solution
The fourth proportional to 108,375,990.58, 149,558,944.98 and 58,816,351.12 is: 81,166,606.87
Step by Step Solution
- Step 1: Write the proportion equation
108,375,990.58 : 149,558,944.98 = 58,816,351.12 : x - Step 2: Convert to fraction form
108,375,990.58/149,558,944.98 = 58,816,351.12/x - Step 3: Cross multiply
108,375,990.58x = 149,558,944.98 × 58,816,351.12 - Step 4: Simplify right side
108,375,990.58x = 8,796,511,421,080,440 - Step 5: Solve for x
x = 8,796,511,421,080,440/108,375,990.58 - Step 6: Final answer
x = 81,166,606.87
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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.