Finding the Fourth Proportional to 200,126,790.19, 276,177,790.97 and 115,307,031.66
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Solution
The fourth proportional to 200,126,790.19, 276,177,790.97 and 115,307,031.66 is: 159,125,328.79
Step by Step Solution
- Step 1: Write the proportion equation
200,126,790.19 : 276,177,790.97 = 115,307,031.66 : x - Step 2: Convert to fraction form
200,126,790.19/276,177,790.97 = 115,307,031.66/x - Step 3: Cross multiply
200,126,790.19x = 276,177,790.97 × 115,307,031.66 - Step 4: Simplify right side
200,126,790.19x = 31,845,241,288,093,724 - Step 5: Solve for x
x = 31,845,241,288,093,724/200,126,790.19 - Step 6: Final answer
x = 159,125,328.79
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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.