Finding the Fourth Proportional to 49,927,279.08, 68,899,738.80 and 27,900,778.62
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Solution
The fourth proportional to 49,927,279.08, 68,899,738.80 and 27,900,778.62 is: 38,503,126.84
Step by Step Solution
- Step 1: Write the proportion equation
49,927,279.08 : 68,899,738.80 = 27,900,778.62 : x - Step 2: Convert to fraction form
49,927,279.08/68,899,738.80 = 27,900,778.62/x - Step 3: Cross multiply
49,927,279.08x = 68,899,738.80 × 27,900,778.62 - Step 4: Simplify right side
49,927,279.08x = 1,922,356,359,234,624.50 - Step 5: Solve for x
x = 1,922,356,359,234,624.50/49,927,279.08 - Step 6: Final answer
x = 38,503,126.84
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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.