Finding the Fourth Proportional to 124,438,629.39, 186,666,912.18 and 47,761,657.62
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Solution
The fourth proportional to 124,438,629.39, 186,666,912.18 and 47,761,657.62 is: 71,645,928.54
Step by Step Solution
- Step 1: Write the proportion equation
124,438,629.39 : 186,666,912.18 = 47,761,657.62 : x - Step 2: Convert to fraction form
124,438,629.39/186,666,912.18 = 47,761,657.62/x - Step 3: Cross multiply
124,438,629.39x = 186,666,912.18 × 47,761,657.62 - Step 4: Simplify right side
124,438,629.39x = 8,915,521,148,523,768 - Step 5: Solve for x
x = 8,915,521,148,523,768/124,438,629.39 - Step 6: Final answer
x = 71,645,928.54
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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.