Finding the Fourth Proportional to 68,914,022.08, 95,101,358.88 and 39,957,442.24
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Solution
The fourth proportional to 68,914,022.08, 95,101,358.88 and 39,957,442.24 is: 55,141,275.17
Step by Step Solution
- Step 1: Write the proportion equation
68,914,022.08 : 95,101,358.88 = 39,957,442.24 : x - Step 2: Convert to fraction form
68,914,022.08/95,101,358.88 = 39,957,442.24/x - Step 3: Cross multiply
68,914,022.08x = 95,101,358.88 × 39,957,442.24 - Step 4: Simplify right side
68,914,022.08x = 3,800,007,054,393,111 - Step 5: Solve for x
x = 3,800,007,054,393,111/68,914,022.08 - Step 6: Final answer
x = 55,141,275.17
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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.