Finding the Fourth Proportional to 69,135,130.87, 95,405,367.04 and 37,772,506.20
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Solution
The fourth proportional to 69,135,130.87, 95,405,367.04 and 37,772,506.20 is: 52,125,450.15
Step by Step Solution
- Step 1: Write the proportion equation
69,135,130.87 : 95,405,367.04 = 37,772,506.20 : x - Step 2: Convert to fraction form
69,135,130.87/95,405,367.04 = 37,772,506.20/x - Step 3: Cross multiply
69,135,130.87x = 95,405,367.04 × 37,772,506.20 - Step 4: Simplify right side
69,135,130.87x = 3,603,699,818,031,676 - Step 5: Solve for x
x = 3,603,699,818,031,676/69,135,130.87 - Step 6: Final answer
x = 52,125,450.15
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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.