Finding the Fourth Proportional to 124,858,844.60, 187,288,266.90 and 122,307,927.80
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Solution
The fourth proportional to 124,858,844.60, 187,288,266.90 and 122,307,927.80 is: 183,461,891.70
Step by Step Solution
- Step 1: Write the proportion equation
124,858,844.60 : 187,288,266.90 = 122,307,927.80 : x - Step 2: Convert to fraction form
124,858,844.60/187,288,266.90 = 122,307,927.80/x - Step 3: Cross multiply
124,858,844.60x = 187,288,266.90 × 122,307,927.80 - Step 4: Simplify right side
124,858,844.60x = 22,906,839,825,792,328 - Step 5: Solve for x
x = 22,906,839,825,792,328/124,858,844.60 - Step 6: Final answer
x = 183,461,891.70
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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.