Finding the Fourth Proportional to 266,612,616.14, 399,815,532.56 and 91,702,392.26
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Solution
The fourth proportional to 266,612,616.14, 399,815,532.56 and 91,702,392.26 is: 137,518,026.45
Step by Step Solution
- Step 1: Write the proportion equation
266,612,616.14 : 399,815,532.56 = 91,702,392.26 : x - Step 2: Convert to fraction form
266,612,616.14/399,815,532.56 = 91,702,392.26/x - Step 3: Cross multiply
266,612,616.14x = 399,815,532.56 × 91,702,392.26 - Step 4: Simplify right side
266,612,616.14x = 36,664,040,796,688,096 - Step 5: Solve for x
x = 36,664,040,796,688,096/266,612,616.14 - Step 6: Final answer
x = 137,518,026.45
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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.