Finding the Fourth Proportional to 54,054,949.86, 74,595,461.09 and 29,274,566.81
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Solution
The fourth proportional to 54,054,949.86, 74,595,461.09 and 29,274,566.81 is: 40,398,701.96
Step by Step Solution
- Step 1: Write the proportion equation
54,054,949.86 : 74,595,461.09 = 29,274,566.81 : x - Step 2: Convert to fraction form
54,054,949.86/74,595,461.09 = 29,274,566.81/x - Step 3: Cross multiply
54,054,949.86x = 74,595,461.09 × 29,274,566.81 - Step 4: Simplify right side
54,054,949.86x = 2,183,749,808,882,610 - Step 5: Solve for x
x = 2,183,749,808,882,610/54,054,949.86 - Step 6: Final answer
x = 40,398,701.96
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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.