Finding the Fourth Proportional to 167,958,220.43, 231,881,769.68 and 149,321,885.58
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Solution
The fourth proportional to 167,958,220.43, 231,881,769.68 and 149,321,885.58 is: 206,152,595.52
Step by Step Solution
- Step 1: Write the proportion equation
167,958,220.43 : 231,881,769.68 = 149,321,885.58 : x - Step 2: Convert to fraction form
167,958,220.43/231,881,769.68 = 149,321,885.58/x - Step 3: Cross multiply
167,958,220.43x = 231,881,769.68 × 149,321,885.58 - Step 4: Simplify right side
167,958,220.43x = 34,625,023,080,244,876 - Step 5: Solve for x
x = 34,625,023,080,244,876/167,958,220.43 - Step 6: Final answer
x = 206,152,595.52
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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.