Finding the Fourth Proportional to 54,199,991.22, 74,796,059.79 and 29,420,162.07
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Solution
The fourth proportional to 54,199,991.22, 74,796,059.79 and 29,420,162.07 is: 40,599,862.69
Step by Step Solution
- Step 1: Write the proportion equation
54,199,991.22 : 74,796,059.79 = 29,420,162.07 : x - Step 2: Convert to fraction form
54,199,991.22/74,796,059.79 = 29,420,162.07/x - Step 3: Cross multiply
54,199,991.22x = 74,796,059.79 × 29,420,162.07 - Step 4: Simplify right side
54,199,991.22x = 2,200,512,201,219,210.50 - Step 5: Solve for x
x = 2,200,512,201,219,210.50/54,199,991.22 - Step 6: Final answer
x = 40,599,862.69
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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.