Finding the Fourth Proportional to 160,680,948.21, 218,773,245.06 and 160,170,764.85
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Solution
The fourth proportional to 160,680,948.21, 218,773,245.06 and 160,170,764.85 is: 218,078,610.94
Step by Step Solution
- Step 1: Write the proportion equation
160,680,948.21 : 218,773,245.06 = 160,170,764.85 : x - Step 2: Convert to fraction form
160,680,948.21/218,773,245.06 = 160,170,764.85/x - Step 3: Cross multiply
160,680,948.21x = 218,773,245.06 × 160,170,764.85 - Step 4: Simplify right side
160,680,948.21x = 35,041,077,989,976,684 - Step 5: Solve for x
x = 35,041,077,989,976,684/160,680,948.21 - Step 6: Final answer
x = 218,078,610.94
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.