Finding the Fourth Proportional to 71,080,603.20, 106,620,905.92 and 17,227,915.20
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Solution
The fourth proportional to 71,080,603.20, 106,620,905.92 and 17,227,915.20 is: 25,841,873.07
Step by Step Solution
- Step 1: Write the proportion equation
71,080,603.20 : 106,620,905.92 = 17,227,915.20 : x - Step 2: Convert to fraction form
71,080,603.20/106,620,905.92 = 17,227,915.20/x - Step 3: Cross multiply
71,080,603.20x = 106,620,905.92 × 17,227,915.20 - Step 4: Simplify right side
71,080,603.20x = 1,836,855,925,736,938 - Step 5: Solve for x
x = 1,836,855,925,736,938/71,080,603.20 - Step 6: Final answer
x = 25,841,873.07
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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.