Finding the Fourth Proportional to 160,380,709.62, 221,325,471.35 and 87,041,851.62
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Solution
The fourth proportional to 160,380,709.62, 221,325,471.35 and 87,041,851.62 is: 120,117,805.20
Step by Step Solution
- Step 1: Write the proportion equation
160,380,709.62 : 221,325,471.35 = 87,041,851.62 : x - Step 2: Convert to fraction form
160,380,709.62/221,325,471.35 = 87,041,851.62/x - Step 3: Cross multiply
160,380,709.62x = 221,325,471.35 × 87,041,851.62 - Step 4: Simplify right side
160,380,709.62x = 19,264,578,835,431,424 - Step 5: Solve for x
x = 19,264,578,835,431,424/160,380,709.62 - Step 6: Final answer
x = 120,117,805.20
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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.