Finding the Fourth Proportional to 74,103,143.98, 102,262,939.12 and 41,063,944.99
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Solution
The fourth proportional to 74,103,143.98, 102,262,939.12 and 41,063,944.99 is: 56,668,576.81
Step by Step Solution
- Step 1: Write the proportion equation
74,103,143.98 : 102,262,939.12 = 41,063,944.99 : x - Step 2: Convert to fraction form
74,103,143.98/102,262,939.12 = 41,063,944.99/x - Step 3: Cross multiply
74,103,143.98x = 102,262,939.12 × 41,063,944.99 - Step 4: Simplify right side
74,103,143.98x = 4,199,319,706,028,084.50 - Step 5: Solve for x
x = 4,199,319,706,028,084.50/74,103,143.98 - Step 6: Final answer
x = 56,668,576.81
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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.