Finding the Fourth Proportional to 80,120,304.81, 120,317,990.99 and 49,177,660.32
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Solution
The fourth proportional to 80,120,304.81, 120,317,990.99 and 49,177,660.32 is: 73,850,908.39
Step by Step Solution
- Step 1: Write the proportion equation
80,120,304.81 : 120,317,990.99 = 49,177,660.32 : x - Step 2: Convert to fraction form
80,120,304.81/120,317,990.99 = 49,177,660.32/x - Step 3: Cross multiply
80,120,304.81x = 120,317,990.99 × 49,177,660.32 - Step 4: Simplify right side
80,120,304.81x = 5,916,957,291,045,152 - Step 5: Solve for x
x = 5,916,957,291,045,152/80,120,304.81 - Step 6: Final answer
x = 73,850,908.39
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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.