Finding the Fourth Proportional to 220,824,903.70, 331,237,355.55 and 134,731,461.70
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Solution
The fourth proportional to 220,824,903.70, 331,237,355.55 and 134,731,461.70 is: 202,097,192.55
Step by Step Solution
- Step 1: Write the proportion equation
220,824,903.70 : 331,237,355.55 = 134,731,461.70 : x - Step 2: Convert to fraction form
220,824,903.70/331,237,355.55 = 134,731,461.70/x - Step 3: Cross multiply
220,824,903.70x = 331,237,355.55 × 134,731,461.70 - Step 4: Simplify right side
220,824,903.70x = 44,628,093,082,894,104 - Step 5: Solve for x
x = 44,628,093,082,894,104/220,824,903.70 - Step 6: Final answer
x = 202,097,192.55
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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.