Finding the Fourth Proportional to 75,082,665.62, 103,614,078.57 and 40,743,849.62
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Solution
The fourth proportional to 75,082,665.62, 103,614,078.57 and 40,743,849.62 is: 56,226,512.48
Step by Step Solution
- Step 1: Write the proportion equation
75,082,665.62 : 103,614,078.57 = 40,743,849.62 : x - Step 2: Convert to fraction form
75,082,665.62/103,614,078.57 = 40,743,849.62/x - Step 3: Cross multiply
75,082,665.62x = 103,614,078.57 × 40,743,849.62 - Step 4: Simplify right side
75,082,665.62x = 4,221,636,435,770,944 - Step 5: Solve for x
x = 4,221,636,435,770,944/75,082,665.62 - Step 6: Final answer
x = 56,226,512.48
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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.