Finding the Fourth Proportional to 125,758,198.86, 173,544,536.82 and 70,753,924.14
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Solution
The fourth proportional to 125,758,198.86, 173,544,536.82 and 70,753,924.14 is: 97,639,415.20
Step by Step Solution
- Step 1: Write the proportion equation
125,758,198.86 : 173,544,536.82 = 70,753,924.14 : x - Step 2: Convert to fraction form
125,758,198.86/173,544,536.82 = 70,753,924.14/x - Step 3: Cross multiply
125,758,198.86x = 173,544,536.82 × 70,753,924.14 - Step 4: Simplify right side
125,758,198.86x = 12,278,956,993,073,716 - Step 5: Solve for x
x = 12,278,956,993,073,716/125,758,198.86 - Step 6: Final answer
x = 97,639,415.20
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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.