Finding the Fourth Proportional to 49,882,694.04, 68,823,073.14 and 28,970,695.68
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Solution
The fourth proportional to 49,882,694.04, 68,823,073.14 and 28,970,695.68 is: 39,970,822.47
Step by Step Solution
- Step 1: Write the proportion equation
49,882,694.04 : 68,823,073.14 = 28,970,695.68 : x - Step 2: Convert to fraction form
49,882,694.04/68,823,073.14 = 28,970,695.68/x - Step 3: Cross multiply
49,882,694.04x = 68,823,073.14 × 28,970,695.68 - Step 4: Simplify right side
49,882,694.04x = 1,993,852,307,701,322 - Step 5: Solve for x
x = 1,993,852,307,701,322/49,882,694.04 - Step 6: Final answer
x = 39,970,822.47
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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.