Finding the Fourth Proportional to 209,374,409.78, 313,916,177.76 and 92,726,201.24
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Solution
The fourth proportional to 209,374,409.78, 313,916,177.76 and 92,726,201.24 is: 139,024,891.83
Step by Step Solution
- Step 1: Write the proportion equation
209,374,409.78 : 313,916,177.76 = 92,726,201.24 : x - Step 2: Convert to fraction form
209,374,409.78/313,916,177.76 = 92,726,201.24/x - Step 3: Cross multiply
209,374,409.78x = 313,916,177.76 × 92,726,201.24 - Step 4: Simplify right side
209,374,409.78x = 29,108,254,669,895,792 - Step 5: Solve for x
x = 29,108,254,669,895,792/209,374,409.78 - Step 6: Final answer
x = 139,024,891.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.