Finding the Fourth Proportional to 84,343,509.48, 116,394,315.66 and 47,174,427
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Solution
The fourth proportional to 84,343,509.48, 116,394,315.66 and 47,174,427 is: 65,100,861.72
Step by Step Solution
- Step 1: Write the proportion equation
84,343,509.48 : 116,394,315.66 = 47,174,427 : x - Step 2: Convert to fraction form
84,343,509.48/116,394,315.66 = 47,174,427/x - Step 3: Cross multiply
84,343,509.48x = 116,394,315.66 × 47,174,427 - Step 4: Simplify right side
84,343,509.48x = 5,490,835,147,317,627 - Step 5: Solve for x
x = 5,490,835,147,317,627/84,343,509.48 - Step 6: Final answer
x = 65,100,861.72
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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.