Finding the Fourth Proportional to 193,871,146.05, 290,948,436.68 and 136,475,518.05
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Solution
The fourth proportional to 193,871,146.05, 290,948,436.68 and 136,475,518.05 is: 204,813,039.12
Step by Step Solution
- Step 1: Write the proportion equation
193,871,146.05 : 290,948,436.68 = 136,475,518.05 : x - Step 2: Convert to fraction form
193,871,146.05/290,948,436.68 = 136,475,518.05/x - Step 3: Cross multiply
193,871,146.05x = 290,948,436.68 × 136,475,518.05 - Step 4: Simplify right side
193,871,146.05x = 39,707,338,621,058,248 - Step 5: Solve for x
x = 39,707,338,621,058,248/193,871,146.05 - Step 6: Final answer
x = 204,813,039.12
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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.