Finding the Fourth Proportional to 269,161,747.94, 371,434,028.69 and 148,464,518.49
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Solution
The fourth proportional to 269,161,747.94, 371,434,028.69 and 148,464,518.49 is: 204,875,970.09
Step by Step Solution
- Step 1: Write the proportion equation
269,161,747.94 : 371,434,028.69 = 148,464,518.49 : x - Step 2: Convert to fraction form
269,161,747.94/371,434,028.69 = 148,464,518.49/x - Step 3: Cross multiply
269,161,747.94x = 371,434,028.69 × 148,464,518.49 - Step 4: Simplify right side
269,161,747.94x = 55,144,774,220,632,856 - Step 5: Solve for x
x = 55,144,774,220,632,856/269,161,747.94 - Step 6: Final answer
x = 204,875,970.09
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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.