Finding the Fourth Proportional to 71,509,240.24, 107,264,221.92 and 22,320,970.28
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Solution
The fourth proportional to 71,509,240.24, 107,264,221.92 and 22,320,970.28 is: 33,481,568.28
Step by Step Solution
- Step 1: Write the proportion equation
71,509,240.24 : 107,264,221.92 = 22,320,970.28 : x - Step 2: Convert to fraction form
71,509,240.24/107,264,221.92 = 22,320,970.28/x - Step 3: Cross multiply
71,509,240.24x = 107,264,221.92 × 22,320,970.28 - Step 4: Simplify right side
71,509,240.24x = 2,394,241,509,583,644.50 - Step 5: Solve for x
x = 2,394,241,509,583,644.50/71,509,240.24 - Step 6: Final answer
x = 33,481,568.28
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1.5x scale
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.