Finding the Fourth Proportional to 87,228,517,474.20, 120,375,354,346.07 and 47,130,496,862.70
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Solution
The fourth proportional to 87,228,517,474.20, 120,375,354,346.07 and 47,130,496,862.70 is: 65,040,085,795.70
Step by Step Solution
- Step 1: Write the proportion equation
87,228,517,474.20 : 120,375,354,346.07 = 47,130,496,862.70 : x - Step 2: Convert to fraction form
87,228,517,474.20/120,375,354,346.07 = 47,130,496,862.70/x - Step 3: Cross multiply
87,228,517,474.20x = 120,375,354,346.07 × 47,130,496,862.70 - Step 4: Simplify right side
87,228,517,474.20x = 5,673,350,260,353,492,058,112 - Step 5: Solve for x
x = 5,673,350,260,353,492,058,112/87,228,517,474.20 - Step 6: Final answer
x = 65,040,085,795.70
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1.5x scale
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.