Finding the Fourth Proportional to 71,897,760.40, 107,836,010.12 and 26,448,926.08
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Solution
The fourth proportional to 71,897,760.40, 107,836,010.12 and 26,448,926.08 is: 39,669,478.50
Step by Step Solution
- Step 1: Write the proportion equation
71,897,760.40 : 107,836,010.12 = 26,448,926.08 : x - Step 2: Convert to fraction form
71,897,760.40/107,836,010.12 = 26,448,926.08/x - Step 3: Cross multiply
71,897,760.40x = 107,836,010.12 × 26,448,926.08 - Step 4: Simplify right side
71,897,760.40x = 2,852,146,660,426,012 - Step 5: Solve for x
x = 2,852,146,660,426,012/71,897,760.40 - Step 6: Final answer
x = 39,669,478.50
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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.