Finding the Fourth Proportional to 228,590,107.92, 315,454,108.86 and 124,168,260.92
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Solution
The fourth proportional to 228,590,107.92, 315,454,108.86 and 124,168,260.92 is: 171,352,069.66
Step by Step Solution
- Step 1: Write the proportion equation
228,590,107.92 : 315,454,108.86 = 124,168,260.92 : x - Step 2: Convert to fraction form
228,590,107.92/315,454,108.86 = 124,168,260.92/x - Step 3: Cross multiply
228,590,107.92x = 315,454,108.86 × 124,168,260.92 - Step 4: Simplify right side
228,590,107.92x = 39,169,388,095,637,296 - Step 5: Solve for x
x = 39,169,388,095,637,296/228,590,107.92 - Step 6: Final answer
x = 171,352,069.66
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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.