Finding the Fourth Proportional to 163,864,414.92, 245,624,928.84 and 76,353,783.96
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Solution
The fourth proportional to 163,864,414.92, 245,624,928.84 and 76,353,783.96 is: 114,450,674.12
Step by Step Solution
- Step 1: Write the proportion equation
163,864,414.92 : 245,624,928.84 = 76,353,783.96 : x - Step 2: Convert to fraction form
163,864,414.92/245,624,928.84 = 76,353,783.96/x - Step 3: Cross multiply
163,864,414.92x = 245,624,928.84 × 76,353,783.96 - Step 4: Simplify right side
163,864,414.92x = 18,754,392,751,839,732 - Step 5: Solve for x
x = 18,754,392,751,839,732/163,864,414.92 - Step 6: Final answer
x = 114,450,674.12
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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.