Finding the Fourth Proportional to 71,509,241.24, 107,264,223.42 and 22,320,971.28
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Solution
The fourth proportional to 71,509,241.24, 107,264,223.42 and 22,320,971.28 is: 33,481,569.78
Step by Step Solution
- Step 1: Write the proportion equation
71,509,241.24 : 107,264,223.42 = 22,320,971.28 : x - Step 2: Convert to fraction form
71,509,241.24/107,264,223.42 = 22,320,971.28/x - Step 3: Cross multiply
71,509,241.24x = 107,264,223.42 × 22,320,971.28 - Step 4: Simplify right side
71,509,241.24x = 2,394,241,650,329,323.50 - Step 5: Solve for x
x = 2,394,241,650,329,323.50/71,509,241.24 - Step 6: Final answer
x = 33,481,569.78
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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.