Finding the Fourth Proportional to 216,734,556.68, 299,093,883.77 and 117,615,305.03
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Solution
The fourth proportional to 216,734,556.68, 299,093,883.77 and 117,615,305.03 is: 162,309,227.06
Step by Step Solution
- Step 1: Write the proportion equation
216,734,556.68 : 299,093,883.77 = 117,615,305.03 : x - Step 2: Convert to fraction form
216,734,556.68/299,093,883.77 = 117,615,305.03/x - Step 3: Cross multiply
216,734,556.68x = 299,093,883.77 × 117,615,305.03 - Step 4: Simplify right side
216,734,556.68x = 35,178,018,370,132,372 - Step 5: Solve for x
x = 35,178,018,370,132,372/216,734,556.68 - Step 6: Final answer
x = 162,309,227.06
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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.