Finding the Fourth Proportional to 254,984,134.20, 382,476,201.30 and 82,584,673.80
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Solution
The fourth proportional to 254,984,134.20, 382,476,201.30 and 82,584,673.80 is: 123,877,010.70
Step by Step Solution
- Step 1: Write the proportion equation
254,984,134.20 : 382,476,201.30 = 82,584,673.80 : x - Step 2: Convert to fraction form
254,984,134.20/382,476,201.30 = 82,584,673.80/x - Step 3: Cross multiply
254,984,134.20x = 382,476,201.30 × 82,584,673.80 - Step 4: Simplify right side
254,984,134.20x = 31,586,672,320,623,636 - Step 5: Solve for x
x = 31,586,672,320,623,636/254,984,134.20 - Step 6: Final answer
x = 123,877,010.70
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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.