Finding the Fourth Proportional to 54,195,211.47, 74,788,453.40 and 29,414,866.49
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Solution
The fourth proportional to 54,195,211.47, 74,788,453.40 and 29,414,866.49 is: 40,592,006.42
Step by Step Solution
- Step 1: Write the proportion equation
54,195,211.47 : 74,788,453.40 = 29,414,866.49 : x - Step 2: Convert to fraction form
54,195,211.47/74,788,453.40 = 29,414,866.49/x - Step 3: Cross multiply
54,195,211.47x = 74,788,453.40 × 29,414,866.49 - Step 4: Simplify right side
54,195,211.47x = 2,199,892,371,754,586.50 - Step 5: Solve for x
x = 2,199,892,371,754,586.50/54,195,211.47 - Step 6: Final answer
x = 40,592,006.42
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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.