Finding the Fourth Proportional to 218,905,557.45, 302,089,664.70 and 119,786,301.09
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Solution
The fourth proportional to 218,905,557.45, 302,089,664.70 and 119,786,301.09 is: 165,305,093.00
Step by Step Solution
- Step 1: Write the proportion equation
218,905,557.45 : 302,089,664.70 = 119,786,301.09 : x - Step 2: Convert to fraction form
218,905,557.45/302,089,664.70 = 119,786,301.09/x - Step 3: Cross multiply
218,905,557.45x = 302,089,664.70 × 119,786,301.09 - Step 4: Simplify right side
218,905,557.45x = 36,186,203,531,931,344 - Step 5: Solve for x
x = 36,186,203,531,931,344/218,905,557.45 - Step 6: Final answer
x = 165,305,093.00
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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.