Finding the Fourth Proportional to 81,576,182.76, 122,363,729.82 and 33,053,320.68
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Solution
The fourth proportional to 81,576,182.76, 122,363,729.82 and 33,053,320.68 is: 49,579,760.47
Step by Step Solution
- Step 1: Write the proportion equation
81,576,182.76 : 122,363,729.82 = 33,053,320.68 : x - Step 2: Convert to fraction form
81,576,182.76/122,363,729.82 = 33,053,320.68/x - Step 3: Cross multiply
81,576,182.76x = 122,363,729.82 × 33,053,320.68 - Step 4: Simplify right side
81,576,182.76x = 4,044,527,601,341,338.50 - Step 5: Solve for x
x = 4,044,527,601,341,338.50/81,576,182.76 - Step 6: Final answer
x = 49,579,760.47
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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.