Finding the Fourth Proportional to 79,740,770.36, 119,614,957.47 and 38,751,376.46
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Solution
The fourth proportional to 79,740,770.36, 119,614,957.47 and 38,751,376.46 is: 58,128,912.30
Step by Step Solution
- Step 1: Write the proportion equation
79,740,770.36 : 119,614,957.47 = 38,751,376.46 : x - Step 2: Convert to fraction form
79,740,770.36/119,614,957.47 = 38,751,376.46/x - Step 3: Cross multiply
79,740,770.36x = 119,614,957.47 × 38,751,376.46 - Step 4: Simplify right side
79,740,770.36x = 4,635,244,246,568,784 - Step 5: Solve for x
x = 4,635,244,246,568,784/79,740,770.36 - Step 6: Final answer
x = 58,128,912.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.