Finding the Fourth Proportional to 75,789,935.96, 104,589,987.62 and 42,750,082.26
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Solution
The fourth proportional to 75,789,935.96, 104,589,987.62 and 42,750,082.26 is: 58,995,043.57
Step by Step Solution
- Step 1: Write the proportion equation
75,789,935.96 : 104,589,987.62 = 42,750,082.26 : x - Step 2: Convert to fraction form
75,789,935.96/104,589,987.62 = 42,750,082.26/x - Step 3: Cross multiply
75,789,935.96x = 104,589,987.62 × 42,750,082.26 - Step 4: Simplify right side
75,789,935.96x = 4,471,230,574,113,631 - Step 5: Solve for x
x = 4,471,230,574,113,631/75,789,935.96 - Step 6: Final answer
x = 58,995,043.57
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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.