Finding the Fourth Proportional to 51,312,394.37, 70,784,257.78 and 31,727,022.05
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Solution
The fourth proportional to 51,312,394.37, 70,784,257.78 and 31,727,022.05 is: 43,766,690.97
Step by Step Solution
- Step 1: Write the proportion equation
51,312,394.37 : 70,784,257.78 = 31,727,022.05 : x - Step 2: Convert to fraction form
51,312,394.37/70,784,257.78 = 31,727,022.05/x - Step 3: Cross multiply
51,312,394.37x = 70,784,257.78 × 31,727,022.05 - Step 4: Simplify right side
51,312,394.37x = 2,245,773,707,378,944.25 - Step 5: Solve for x
x = 2,245,773,707,378,944.25/51,312,394.37 - Step 6: Final answer
x = 43,766,690.97
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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.