Finding the Fourth Proportional to 84,738,945.68, 127,089,502.68 and 39,294,835.28
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Solution
The fourth proportional to 84,738,945.68, 127,089,502.68 and 39,294,835.28 is: 58,933,481.34
Step by Step Solution
- Step 1: Write the proportion equation
84,738,945.68 : 127,089,502.68 = 39,294,835.28 : x - Step 2: Convert to fraction form
84,738,945.68/127,089,502.68 = 39,294,835.28/x - Step 3: Cross multiply
84,738,945.68x = 127,089,502.68 × 39,294,835.28 - Step 4: Simplify right side
84,738,945.68x = 4,993,961,073,627,719 - Step 5: Solve for x
x = 4,993,961,073,627,719/84,738,945.68 - Step 6: Final answer
x = 58,933,481.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.