Finding the Fourth Proportional to 175,512,728.40, 263,269,092.60 and 84,813,464.40
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Solution
The fourth proportional to 175,512,728.40, 263,269,092.60 and 84,813,464.40 is: 127,220,196.60
Step by Step Solution
- Step 1: Write the proportion equation
175,512,728.40 : 263,269,092.60 = 84,813,464.40 : x - Step 2: Convert to fraction form
175,512,728.40/263,269,092.60 = 84,813,464.40/x - Step 3: Cross multiply
175,512,728.40x = 263,269,092.60 × 84,813,464.40 - Step 4: Simplify right side
175,512,728.40x = 22,328,763,812,850,404 - Step 5: Solve for x
x = 22,328,763,812,850,404/175,512,728.40 - Step 6: Final answer
x = 127,220,196.60
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1.5x scale
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.