Finding the Fourth Proportional to 57,477,135.73, 79,422,202.19 and 40,928,530.08
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Solution
The fourth proportional to 57,477,135.73, 79,422,202.19 and 40,928,530.08 is: 56,555,253.67
Step by Step Solution
- Step 1: Write the proportion equation
57,477,135.73 : 79,422,202.19 = 40,928,530.08 : x - Step 2: Convert to fraction form
57,477,135.73/79,422,202.19 = 40,928,530.08/x - Step 3: Cross multiply
57,477,135.73x = 79,422,202.19 × 40,928,530.08 - Step 4: Simplify right side
57,477,135.73x = 3,250,633,991,148,614 - Step 5: Solve for x
x = 3,250,633,991,148,614/57,477,135.73 - Step 6: Final answer
x = 56,555,253.67
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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.