Finding the Fourth Proportional to 218,294,705.20, 327,442,057.80 and 109,136,723.80
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Solution
The fourth proportional to 218,294,705.20, 327,442,057.80 and 109,136,723.80 is: 163,705,085.70
Step by Step Solution
- Step 1: Write the proportion equation
218,294,705.20 : 327,442,057.80 = 109,136,723.80 : x - Step 2: Convert to fraction form
218,294,705.20/327,442,057.80 = 109,136,723.80/x - Step 3: Cross multiply
218,294,705.20x = 327,442,057.80 × 109,136,723.80 - Step 4: Simplify right side
218,294,705.20x = 35,735,953,422,622,236 - Step 5: Solve for x
x = 35,735,953,422,622,236/218,294,705.20 - Step 6: Final answer
x = 163,705,085.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.