Finding the Fourth Proportional to 63,552,319.92, 87,699,618.81 and 36,049,657.68
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Solution
The fourth proportional to 63,552,319.92, 87,699,618.81 and 36,049,657.68 is: 49,747,062.59
Step by Step Solution
- Step 1: Write the proportion equation
63,552,319.92 : 87,699,618.81 = 36,049,657.68 : x - Step 2: Convert to fraction form
63,552,319.92/87,699,618.81 = 36,049,657.68/x - Step 3: Cross multiply
63,552,319.92x = 87,699,618.81 × 36,049,657.68 - Step 4: Simplify right side
63,552,319.92x = 3,161,541,236,766,989 - Step 5: Solve for x
x = 3,161,541,236,766,989/63,552,319.92 - Step 6: Final answer
x = 49,747,062.59
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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.