Finding the Fourth Proportional to 125,981,558.56, 173,854,549.38 and 68,034,806.56
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Solution
The fourth proportional to 125,981,558.56, 173,854,549.38 and 68,034,806.56 is: 93,888,032.28
Step by Step Solution
- Step 1: Write the proportion equation
125,981,558.56 : 173,854,549.38 = 68,034,806.56 : x - Step 2: Convert to fraction form
125,981,558.56/173,854,549.38 = 68,034,806.56/x - Step 3: Cross multiply
125,981,558.56x = 173,854,549.38 × 68,034,806.56 - Step 4: Simplify right side
125,981,558.56x = 11,828,160,636,464,762 - Step 5: Solve for x
x = 11,828,160,636,464,762/125,981,558.56 - Step 6: Final answer
x = 93,888,032.28
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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.