Finding the Fourth Proportional to 49,457,056.02, 68,171,904.09 and 38,986,007.82
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Solution
The fourth proportional to 49,457,056.02, 68,171,904.09 and 38,986,007.82 is: 53,738,548.14
Step by Step Solution
- Step 1: Write the proportion equation
49,457,056.02 : 68,171,904.09 = 38,986,007.82 : x - Step 2: Convert to fraction form
49,457,056.02/68,171,904.09 = 38,986,007.82/x - Step 3: Cross multiply
49,457,056.02x = 68,171,904.09 × 38,986,007.82 - Step 4: Simplify right side
49,457,056.02x = 2,657,750,385,957,030 - Step 5: Solve for x
x = 2,657,750,385,957,030/49,457,056.02 - Step 6: Final answer
x = 53,738,548.14
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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.