Finding the Fourth Proportional to 125,981,330.63, 173,854,238.69 and 68,034,578.63
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Solution
The fourth proportional to 125,981,330.63, 173,854,238.69 and 68,034,578.63 is: 93,887,719.81
Step by Step Solution
- Step 1: Write the proportion equation
125,981,330.63 : 173,854,238.69 = 68,034,578.63 : x - Step 2: Convert to fraction form
125,981,330.63/173,854,238.69 = 68,034,578.63/x - Step 3: Cross multiply
125,981,330.63x = 173,854,238.69 × 68,034,578.63 - Step 4: Simplify right side
125,981,330.63x = 11,828,099,871,614,408 - Step 5: Solve for x
x = 11,828,099,871,614,408/125,981,330.63 - Step 6: Final answer
x = 93,887,719.81
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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.