Finding the Fourth Proportional to 173,308,317.05, 239,191,821.84 and 110,611,478.81
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Solution
The fourth proportional to 173,308,317.05, 239,191,821.84 and 110,611,478.81 is: 152,660,654.62
Step by Step Solution
- Step 1: Write the proportion equation
173,308,317.05 : 239,191,821.84 = 110,611,478.81 : x - Step 2: Convert to fraction form
173,308,317.05/239,191,821.84 = 110,611,478.81/x - Step 3: Cross multiply
173,308,317.05x = 239,191,821.84 × 110,611,478.81 - Step 4: Simplify right side
173,308,317.05x = 26,457,361,131,784,500 - Step 5: Solve for x
x = 26,457,361,131,784,500/173,308,317.05 - Step 6: Final answer
x = 152,660,654.62
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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.