Finding the Fourth Proportional to 42,350,940.90, 58,456,816.97 and 24,952,907.70
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Solution
The fourth proportional to 42,350,940.90, 58,456,816.97 and 24,952,907.70 is: 34,442,388.46
Step by Step Solution
- Step 1: Write the proportion equation
42,350,940.90 : 58,456,816.97 = 24,952,907.70 : x - Step 2: Convert to fraction form
42,350,940.90/58,456,816.97 = 24,952,907.70/x - Step 3: Cross multiply
42,350,940.90x = 58,456,816.97 × 24,952,907.70 - Step 4: Simplify right side
42,350,940.90x = 1,458,667,558,163,439.25 - Step 5: Solve for x
x = 1,458,667,558,163,439.25/42,350,940.90 - Step 6: Final answer
x = 34,442,388.46
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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.