Finding the Fourth Proportional to 229,744,381.88, 344,619,571.68 and 76,390,438.28
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Solution
The fourth proportional to 229,744,381.88, 344,619,571.68 and 76,390,438.28 is: 114,586,654.55
Step by Step Solution
- Step 1: Write the proportion equation
229,744,381.88 : 344,619,571.68 = 76,390,438.28 : x - Step 2: Convert to fraction form
229,744,381.88/344,619,571.68 = 76,390,438.28/x - Step 3: Cross multiply
229,744,381.88x = 344,619,571.68 × 76,390,438.28 - Step 4: Simplify right side
229,744,381.88x = 26,325,640,120,501,076 - Step 5: Solve for x
x = 26,325,640,120,501,076/229,744,381.88 - Step 6: Final answer
x = 114,586,654.55
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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.