Finding the Fourth Proportional to 160,170,445.08, 221,036,954.58 and 94,093,728.30
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Solution
The fourth proportional to 160,170,445.08, 221,036,954.58 and 94,093,728.30 is: 129,850,367.45
Step by Step Solution
- Step 1: Write the proportion equation
160,170,445.08 : 221,036,954.58 = 94,093,728.30 : x - Step 2: Convert to fraction form
160,170,445.08/221,036,954.58 = 94,093,728.30/x - Step 3: Cross multiply
160,170,445.08x = 221,036,954.58 × 94,093,728.30 - Step 4: Simplify right side
160,170,445.08x = 20,798,191,148,509,960 - Step 5: Solve for x
x = 20,798,191,148,509,960/160,170,445.08 - Step 6: Final answer
x = 129,850,367.45
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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.