Finding the Fourth Proportional to 54,245,072.68, 74,859,005.46 and 29,465,742.76
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Solution
The fourth proportional to 54,245,072.68, 74,859,005.46 and 29,465,742.76 is: 40,663,162.37
Step by Step Solution
- Step 1: Write the proportion equation
54,245,072.68 : 74,859,005.46 = 29,465,742.76 : x - Step 2: Convert to fraction form
54,245,072.68/74,859,005.46 = 29,465,742.76/x - Step 3: Cross multiply
54,245,072.68x = 74,859,005.46 × 29,465,742.76 - Step 4: Simplify right side
54,245,072.68x = 2,205,776,198,153,795.50 - Step 5: Solve for x
x = 2,205,776,198,153,795.50/54,245,072.68 - Step 6: Final answer
x = 40,663,162.37
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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.