Finding the Fourth Proportional to 64,556,556.43, 96,840,649.68 and 20,838,351.26
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Solution
The fourth proportional to 64,556,556.43, 96,840,649.68 and 20,838,351.26 is: 31,259,403.94
Step by Step Solution
- Step 1: Write the proportion equation
64,556,556.43 : 96,840,649.68 = 20,838,351.26 : x - Step 2: Convert to fraction form
64,556,556.43/96,840,649.68 = 20,838,351.26/x - Step 3: Cross multiply
64,556,556.43x = 96,840,649.68 × 20,838,351.26 - Step 4: Simplify right side
64,556,556.43x = 2,017,999,474,278,447 - Step 5: Solve for x
x = 2,017,999,474,278,447/64,556,556.43 - Step 6: Final answer
x = 31,259,403.94
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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.