Finding the Fourth Proportional to 49,869,548.42, 74,739,438.09 and 20,291,268.27
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Solution
The fourth proportional to 49,869,548.42, 74,739,438.09 and 20,291,268.27 is: 30,410,501.73
Step by Step Solution
- Step 1: Write the proportion equation
49,869,548.42 : 74,739,438.09 = 20,291,268.27 : x - Step 2: Convert to fraction form
49,869,548.42/74,739,438.09 = 20,291,268.27/x - Step 3: Cross multiply
49,869,548.42x = 74,739,438.09 × 20,291,268.27 - Step 4: Simplify right side
49,869,548.42x = 1,516,557,988,633,246.50 - Step 5: Solve for x
x = 1,516,557,988,633,246.50/49,869,548.42 - Step 6: Final answer
x = 30,410,501.73
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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.