Finding the Fourth Proportional to 189,374,586.99, 283,810,758.21 and 97,254,604.05
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Solution
The fourth proportional to 189,374,586.99, 283,810,758.21 and 97,254,604.05 is: 145,752,940.53
Step by Step Solution
- Step 1: Write the proportion equation
189,374,586.99 : 283,810,758.21 = 97,254,604.05 : x - Step 2: Convert to fraction form
189,374,586.99/283,810,758.21 = 97,254,604.05/x - Step 3: Cross multiply
189,374,586.99x = 283,810,758.21 × 97,254,604.05 - Step 4: Simplify right side
189,374,586.99x = 27,601,902,914,843,832 - Step 5: Solve for x
x = 27,601,902,914,843,832/189,374,586.99 - Step 6: Final answer
x = 145,752,940.53
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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.