Finding the Fourth Proportional to 208,225,093.74, 312,372,755.74 and 70,017,847.44
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Solution
The fourth proportional to 208,225,093.74, 312,372,755.74 and 70,017,847.44 is: 105,038,578.99
Step by Step Solution
- Step 1: Write the proportion equation
208,225,093.74 : 312,372,755.74 = 70,017,847.44 : x - Step 2: Convert to fraction form
208,225,093.74/312,372,755.74 = 70,017,847.44/x - Step 3: Cross multiply
208,225,093.74x = 312,372,755.74 × 70,017,847.44 - Step 4: Simplify right side
208,225,093.74x = 21,871,667,955,815,704 - Step 5: Solve for x
x = 21,871,667,955,815,704/208,225,093.74 - Step 6: Final answer
x = 105,038,578.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.