Finding the Fourth Proportional to 125,702,822.00, 173,371,621.42 and 81,664,010.07
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Solution
The fourth proportional to 125,702,822.00, 173,371,621.42 and 81,664,010.07 is: 112,632,489.96
Step by Step Solution
- Step 1: Write the proportion equation
125,702,822.00 : 173,371,621.42 = 81,664,010.07 : x - Step 2: Convert to fraction form
125,702,822.00/173,371,621.42 = 81,664,010.07/x - Step 3: Cross multiply
125,702,822.00x = 173,371,621.42 × 81,664,010.07 - Step 4: Simplify right side
125,702,822.00x = 14,158,221,836,947,042 - Step 5: Solve for x
x = 14,158,221,836,947,042/125,702,822.00 - Step 6: Final answer
x = 112,632,489.96
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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.