Finding the Fourth Proportional to 54,166,390.95, 74,749,761.48 and 29,386,576.53
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Solution
The fourth proportional to 54,166,390.95, 74,749,761.48 and 29,386,576.53 is: 40,553,552.63
Step by Step Solution
- Step 1: Write the proportion equation
54,166,390.95 : 74,749,761.48 = 29,386,576.53 : x - Step 2: Convert to fraction form
54,166,390.95/74,749,761.48 = 29,386,576.53/x - Step 3: Cross multiply
54,166,390.95x = 74,749,761.48 × 29,386,576.53 - Step 4: Simplify right side
54,166,390.95x = 2,196,639,586,331,266.25 - Step 5: Solve for x
x = 2,196,639,586,331,266.25/54,166,390.95 - Step 6: Final answer
x = 40,553,552.63
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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.