Finding the Fourth Proportional to 175,512,876.90, 263,269,315.35 and 84,813,612.90
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Solution
The fourth proportional to 175,512,876.90, 263,269,315.35 and 84,813,612.90 is: 127,220,419.35
Step by Step Solution
- Step 1: Write the proportion equation
175,512,876.90 : 263,269,315.35 = 84,813,612.90 : x - Step 2: Convert to fraction form
175,512,876.90/263,269,315.35 = 84,813,612.90/x - Step 3: Cross multiply
175,512,876.90x = 263,269,315.35 × 84,813,612.90 - Step 4: Simplify right side
175,512,876.90x = 22,328,821,800,542,928 - Step 5: Solve for x
x = 22,328,821,800,542,928/175,512,876.90 - Step 6: Final answer
x = 127,220,419.35
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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.