Finding the Fourth Proportional to 146,823,489.66, 202,611,777.84 and 80,743,783.57
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Solution
The fourth proportional to 146,823,489.66, 202,611,777.84 and 80,743,783.57 is: 111,423,870.78
Step by Step Solution
- Step 1: Write the proportion equation
146,823,489.66 : 202,611,777.84 = 80,743,783.57 : x - Step 2: Convert to fraction form
146,823,489.66/202,611,777.84 = 80,743,783.57/x - Step 3: Cross multiply
146,823,489.66x = 202,611,777.84 × 80,743,783.57 - Step 4: Simplify right side
146,823,489.66x = 16,359,641,538,645,880 - Step 5: Solve for x
x = 16,359,641,538,645,880/146,823,489.66 - Step 6: Final answer
x = 111,423,870.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.