Finding the Fourth Proportional to 243,811,051.92, 336,457,544.85 and 132,299,057.03
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Solution
The fourth proportional to 243,811,051.92, 336,457,544.85 and 132,299,057.03 is: 182,571,772.53
Step by Step Solution
- Step 1: Write the proportion equation
243,811,051.92 : 336,457,544.85 = 132,299,057.03 : x - Step 2: Convert to fraction form
243,811,051.92/336,457,544.85 = 132,299,057.03/x - Step 3: Cross multiply
243,811,051.92x = 336,457,544.85 × 132,299,057.03 - Step 4: Simplify right side
243,811,051.92x = 44,513,015,912,601,648 - Step 5: Solve for x
x = 44,513,015,912,601,648/243,811,051.92 - Step 6: Final answer
x = 182,571,772.53
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1.5x scale
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.