Finding the Fourth Proportional to 212,593,879.39, 293,379,551.18 and 114,808,735.39
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Solution
The fourth proportional to 212,593,879.39, 293,379,551.18 and 114,808,735.39 is: 158,436,053.55
Step by Step Solution
- Step 1: Write the proportion equation
212,593,879.39 : 293,379,551.18 = 114,808,735.39 : x - Step 2: Convert to fraction form
212,593,879.39/293,379,551.18 = 114,808,735.39/x - Step 3: Cross multiply
212,593,879.39x = 293,379,551.18 × 114,808,735.39 - Step 4: Simplify right side
212,593,879.39x = 33,682,535,260,261,584 - Step 5: Solve for x
x = 33,682,535,260,261,584/212,593,879.39 - Step 6: Final answer
x = 158,436,053.55
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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.