Finding the Fourth Proportional to 149,530,383.81, 206,351,487.63 and 83,450,178.81
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Solution
The fourth proportional to 149,530,383.81, 206,351,487.63 and 83,450,178.81 is: 115,161,000.07
Step by Step Solution
- Step 1: Write the proportion equation
149,530,383.81 : 206,351,487.63 = 83,450,178.81 : x - Step 2: Convert to fraction form
149,530,383.81/206,351,487.63 = 83,450,178.81/x - Step 3: Cross multiply
149,530,383.81x = 206,351,487.63 × 83,450,178.81 - Step 4: Simplify right side
149,530,383.81x = 17,220,068,540,433,004 - Step 5: Solve for x
x = 17,220,068,540,433,004/149,530,383.81 - Step 6: Final answer
x = 115,161,000.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.