Finding the Fourth Proportional to 275,043,516.84, 412,520,427.18 and 80,909,520.84
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Solution
The fourth proportional to 275,043,516.84, 412,520,427.18 and 80,909,520.84 is: 121,351,088.31
Step by Step Solution
- Step 1: Write the proportion equation
275,043,516.84 : 412,520,427.18 = 80,909,520.84 : x - Step 2: Convert to fraction form
275,043,516.84/412,520,427.18 = 80,909,520.84/x - Step 3: Cross multiply
275,043,516.84x = 412,520,427.18 × 80,909,520.84 - Step 4: Simplify right side
275,043,516.84x = 33,376,830,099,845,916 - Step 5: Solve for x
x = 33,376,830,099,845,916/275,043,516.84 - Step 6: Final answer
x = 121,351,088.31
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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.