Finding the Fourth Proportional to 219,939,597.92, 303,511,351.16 and 122,154,531.68
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Solution
The fourth proportional to 219,939,597.92, 303,511,351.16 and 122,154,531.68 is: 168,570,313.45
Step by Step Solution
- Step 1: Write the proportion equation
219,939,597.92 : 303,511,351.16 = 122,154,531.68 : x - Step 2: Convert to fraction form
219,939,597.92/303,511,351.16 = 122,154,531.68/x - Step 3: Cross multiply
219,939,597.92x = 303,511,351.16 × 122,154,531.68 - Step 4: Simplify right side
219,939,597.92x = 37,075,286,960,513,832 - Step 5: Solve for x
x = 37,075,286,960,513,832/219,939,597.92 - Step 6: Final answer
x = 168,570,313.45
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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.