Finding the Fourth Proportional to 201,852,353.61, 278,556,359.94 and 109,032,861.96
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Solution
The fourth proportional to 201,852,353.61, 278,556,359.94 and 109,032,861.96 is: 150,465,409.98
Step by Step Solution
- Step 1: Write the proportion equation
201,852,353.61 : 278,556,359.94 = 109,032,861.96 : x - Step 2: Convert to fraction form
201,852,353.61/278,556,359.94 = 109,032,861.96/x - Step 3: Cross multiply
201,852,353.61x = 278,556,359.94 × 109,032,861.96 - Step 4: Simplify right side
201,852,353.61x = 30,371,797,141,418,092 - Step 5: Solve for x
x = 30,371,797,141,418,092/201,852,353.61 - Step 6: Final answer
x = 150,465,409.98
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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.