Finding the Fourth Proportional to 255,825,585.68, 353,040,371.76 and 138,350,915.84
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Solution
The fourth proportional to 255,825,585.68, 353,040,371.76 and 138,350,915.84 is: 190,924,839.01
Step by Step Solution
- Step 1: Write the proportion equation
255,825,585.68 : 353,040,371.76 = 138,350,915.84 : x - Step 2: Convert to fraction form
255,825,585.68/353,040,371.76 = 138,350,915.84/x - Step 3: Cross multiply
255,825,585.68x = 353,040,371.76 × 138,350,915.84 - Step 4: Simplify right side
255,825,585.68x = 48,843,458,761,490,072 - Step 5: Solve for x
x = 48,843,458,761,490,072/255,825,585.68 - Step 6: Final answer
x = 190,924,839.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.