Finding the Fourth Proportional to 57,318,908.40, 85,989,702.12 and 16,378,717.68
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Solution
The fourth proportional to 57,318,908.40, 85,989,702.12 and 16,378,717.68 is: 24,571,316.76
Step by Step Solution
- Step 1: Write the proportion equation
57,318,908.40 : 85,989,702.12 = 16,378,717.68 : x - Step 2: Convert to fraction form
57,318,908.40/85,989,702.12 = 16,378,717.68/x - Step 3: Cross multiply
57,318,908.40x = 85,989,702.12 × 16,378,717.68 - Step 4: Simplify right side
57,318,908.40x = 1,408,401,054,410,777.50 - Step 5: Solve for x
x = 1,408,401,054,410,777.50/57,318,908.40 - Step 6: Final answer
x = 24,571,316.76
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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.