Finding the Fourth Proportional to 255,825,583.68, 353,040,369 and 138,350,913.84
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Solution
The fourth proportional to 255,825,583.68, 353,040,369 and 138,350,913.84 is: 190,924,836.25
Step by Step Solution
- Step 1: Write the proportion equation
255,825,583.68 : 353,040,369 = 138,350,913.84 : x - Step 2: Convert to fraction form
255,825,583.68/353,040,369 = 138,350,913.84/x - Step 3: Cross multiply
255,825,583.68x = 353,040,369 × 138,350,913.84 - Step 4: Simplify right side
255,825,583.68x = 48,843,457,673,560,808 - Step 5: Solve for x
x = 48,843,457,673,560,808/255,825,583.68 - Step 6: Final answer
x = 190,924,836.25
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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.