Finding the Fourth Proportional to 48,538,376.42, 72,807,836.79 and 16,190,190.14
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Solution
The fourth proportional to 48,538,376.42, 72,807,836.79 and 16,190,190.14 is: 24,285,375.99
Step by Step Solution
- Step 1: Write the proportion equation
48,538,376.42 : 72,807,836.79 = 16,190,190.14 : x - Step 2: Convert to fraction form
48,538,376.42/72,807,836.79 = 16,190,190.14/x - Step 3: Cross multiply
48,538,376.42x = 72,807,836.79 × 16,190,190.14 - Step 4: Simplify right side
48,538,376.42x = 1,178,772,721,312,187.50 - Step 5: Solve for x
x = 1,178,772,721,312,187.50/48,538,376.42 - Step 6: Final answer
x = 24,285,375.99
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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.