Finding the Fourth Proportional to 225,541,900.37, 311,232,159.32 and 125,075,520.09
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Solution
The fourth proportional to 225,541,900.37, 311,232,159.32 and 125,075,520.09 is: 172,595,531.61
Step by Step Solution
- Step 1: Write the proportion equation
225,541,900.37 : 311,232,159.32 = 125,075,520.09 : x - Step 2: Convert to fraction form
225,541,900.37/311,232,159.32 = 125,075,520.09/x - Step 3: Cross multiply
225,541,900.37x = 311,232,159.32 × 125,075,520.09 - Step 4: Simplify right side
225,541,900.37x = 38,927,524,195,682,744 - Step 5: Solve for x
x = 38,927,524,195,682,744/225,541,900.37 - Step 6: Final answer
x = 172,595,531.61
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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.