Finding the Fourth Proportional to 269,127,709.86, 371,396,381.94 and 145,368,386.76
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Solution
The fourth proportional to 269,127,709.86, 371,396,381.94 and 145,368,386.76 is: 200,608,450.61
Step by Step Solution
- Step 1: Write the proportion equation
269,127,709.86 : 371,396,381.94 = 145,368,386.76 : x - Step 2: Convert to fraction form
269,127,709.86/371,396,381.94 = 145,368,386.76/x - Step 3: Cross multiply
269,127,709.86x = 371,396,381.94 × 145,368,386.76 - Step 4: Simplify right side
269,127,709.86x = 53,989,292,891,118,592 - Step 5: Solve for x
x = 53,989,292,891,118,592/269,127,709.86 - Step 6: Final answer
x = 200,608,450.61
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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.