Finding the Fourth Proportional to 202,330,615.28, 279,186,530.14 and 113,011,556.05
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Solution
The fourth proportional to 202,330,615.28, 279,186,530.14 and 113,011,556.05 is: 155,939,347.85
Step by Step Solution
- Step 1: Write the proportion equation
202,330,615.28 : 279,186,530.14 = 113,011,556.05 : x - Step 2: Convert to fraction form
202,330,615.28/279,186,530.14 = 113,011,556.05/x - Step 3: Cross multiply
202,330,615.28x = 279,186,530.14 × 113,011,556.05 - Step 4: Simplify right side
202,330,615.28x = 31,551,304,197,607,720 - Step 5: Solve for x
x = 31,551,304,197,607,720/202,330,615.28 - Step 6: Final answer
x = 155,939,347.85
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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.