Finding the Fourth Proportional to 67,434,021.99, 93,058,949.22 and 36,494,191.28
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Solution
The fourth proportional to 67,434,021.99, 93,058,949.22 and 36,494,191.28 is: 50,361,983.35
Step by Step Solution
- Step 1: Write the proportion equation
67,434,021.99 : 93,058,949.22 = 36,494,191.28 : x - Step 2: Convert to fraction form
67,434,021.99/93,058,949.22 = 36,494,191.28/x - Step 3: Cross multiply
67,434,021.99x = 93,058,949.22 × 36,494,191.28 - Step 4: Simplify right side
67,434,021.99x = 3,396,111,092,685,192 - Step 5: Solve for x
x = 3,396,111,092,685,192/67,434,021.99 - Step 6: Final answer
x = 50,361,983.35
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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.