Finding the Fourth Proportional to 98,446,581.12, 135,464,197.92 and 95,451,246.72
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Solution
The fourth proportional to 98,446,581.12, 135,464,197.92 and 95,451,246.72 is: 131,342,565.99
Step by Step Solution
- Step 1: Write the proportion equation
98,446,581.12 : 135,464,197.92 = 95,451,246.72 : x - Step 2: Convert to fraction form
98,446,581.12/135,464,197.92 = 95,451,246.72/x - Step 3: Cross multiply
98,446,581.12x = 135,464,197.92 × 95,451,246.72 - Step 4: Simplify right side
98,446,581.12x = 12,930,226,577,388,830 - Step 5: Solve for x
x = 12,930,226,577,388,830/98,446,581.12 - Step 6: Final answer
x = 131,342,565.99
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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.