Finding the Fourth Proportional to 117,249,682.73, 175,876,020.84 and 30,987,344.21
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Solution
The fourth proportional to 117,249,682.73, 175,876,020.84 and 30,987,344.21 is: 46,481,411.88
Step by Step Solution
- Step 1: Write the proportion equation
117,249,682.73 : 175,876,020.84 = 30,987,344.21 : x - Step 2: Convert to fraction form
117,249,682.73/175,876,020.84 = 30,987,344.21/x - Step 3: Cross multiply
117,249,682.73x = 175,876,020.84 × 30,987,344.21 - Step 4: Simplify right side
117,249,682.73x = 5,449,930,796,054,214 - Step 5: Solve for x
x = 5,449,930,796,054,214/117,249,682.73 - Step 6: Final answer
x = 46,481,411.88
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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.