Finding the Fourth Proportional to 277,925,266.11, 416,891,447.21 and 73,451,574.75
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Solution
The fourth proportional to 277,925,266.11, 416,891,447.21 and 73,451,574.75 is: 110,178,299.82
Step by Step Solution
- Step 1: Write the proportion equation
277,925,266.11 : 416,891,447.21 = 73,451,574.75 : x - Step 2: Convert to fraction form
277,925,266.11/416,891,447.21 = 73,451,574.75/x - Step 3: Cross multiply
277,925,266.11x = 416,891,447.21 × 73,451,574.75 - Step 4: Simplify right side
277,925,266.11x = 30,621,333,297,013,736 - Step 5: Solve for x
x = 30,621,333,297,013,736/277,925,266.11 - Step 6: Final answer
x = 110,178,299.82
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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.