Finding the Fourth Proportional to 53,028,487.27, 73,168,338.99 and 30,997,726.17
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Solution
The fourth proportional to 53,028,487.27, 73,168,338.99 and 30,997,726.17 is: 42,770,447.60
Step by Step Solution
- Step 1: Write the proportion equation
53,028,487.27 : 73,168,338.99 = 30,997,726.17 : x - Step 2: Convert to fraction form
53,028,487.27/73,168,338.99 = 30,997,726.17/x - Step 3: Cross multiply
53,028,487.27x = 73,168,338.99 × 30,997,726.17 - Step 4: Simplify right side
53,028,487.27x = 2,268,052,136,325,754.50 - Step 5: Solve for x
x = 2,268,052,136,325,754.50/53,028,487.27 - Step 6: Final answer
x = 42,770,447.60
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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.