Finding the Fourth Proportional to 242,215,732.05, 363,379,235.36 and 69,693,974.61
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Solution
The fourth proportional to 242,215,732.05, 363,379,235.36 and 69,693,974.61 is: 104,556,970.71
Step by Step Solution
- Step 1: Write the proportion equation
242,215,732.05 : 363,379,235.36 = 69,693,974.61 : x - Step 2: Convert to fraction form
242,215,732.05/363,379,235.36 = 69,693,974.61/x - Step 3: Cross multiply
242,215,732.05x = 363,379,235.36 × 69,693,974.61 - Step 4: Simplify right side
242,215,732.05x = 25,325,343,202,632,584 - Step 5: Solve for x
x = 25,325,343,202,632,584/242,215,732.05 - Step 6: Final answer
x = 104,556,970.71
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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.