Finding the Fourth Proportional to 160,380,708.36, 221,325,469.62 and 87,041,850.36
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Solution
The fourth proportional to 160,380,708.36, 221,325,469.62 and 87,041,850.36 is: 120,117,803.47
Step by Step Solution
- Step 1: Write the proportion equation
160,380,708.36 : 221,325,469.62 = 87,041,850.36 : x - Step 2: Convert to fraction form
160,380,708.36/221,325,469.62 = 87,041,850.36/x - Step 3: Cross multiply
160,380,708.36x = 221,325,469.62 × 87,041,850.36 - Step 4: Simplify right side
160,380,708.36x = 19,264,578,407,520,768 - Step 5: Solve for x
x = 19,264,578,407,520,768/160,380,708.36 - Step 6: Final answer
x = 120,117,803.47
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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.