Finding the Fourth Proportional to 220,556,711.36, 304,365,761.16 and 121,435,434.56
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Solution
The fourth proportional to 220,556,711.36, 304,365,761.16 and 121,435,434.56 is: 167,579,522.94
Step by Step Solution
- Step 1: Write the proportion equation
220,556,711.36 : 304,365,761.16 = 121,435,434.56 : x - Step 2: Convert to fraction form
220,556,711.36/304,365,761.16 = 121,435,434.56/x - Step 3: Cross multiply
220,556,711.36x = 304,365,761.16 × 121,435,434.56 - Step 4: Simplify right side
220,556,711.36x = 36,960,788,471,649,776 - Step 5: Solve for x
x = 36,960,788,471,649,776/220,556,711.36 - Step 6: Final answer
x = 167,579,522.94
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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.