Finding the Fourth Proportional to 125,633,206.94, 173,371,339.37 and 69,877,427.99
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Solution
The fourth proportional to 125,633,206.94, 173,371,339.37 and 69,877,427.99 is: 96,429,467.79
Step by Step Solution
- Step 1: Write the proportion equation
125,633,206.94 : 173,371,339.37 = 69,877,427.99 : x - Step 2: Convert to fraction form
125,633,206.94/173,371,339.37 = 69,877,427.99/x - Step 3: Cross multiply
125,633,206.94x = 173,371,339.37 × 69,877,427.99 - Step 4: Simplify right side
125,633,206.94x = 12,114,743,281,664,864 - Step 5: Solve for x
x = 12,114,743,281,664,864/125,633,206.94 - Step 6: Final answer
x = 96,429,467.79
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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.