Finding the Fourth Proportional to 193,564,364.20, 290,346,546.30 and 57,237,605.80
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Solution
The fourth proportional to 193,564,364.20, 290,346,546.30 and 57,237,605.80 is: 85,856,408.70
Step by Step Solution
- Step 1: Write the proportion equation
193,564,364.20 : 290,346,546.30 = 57,237,605.80 : x - Step 2: Convert to fraction form
193,564,364.20/290,346,546.30 = 57,237,605.80/x - Step 3: Cross multiply
193,564,364.20x = 290,346,546.30 × 57,237,605.80 - Step 4: Simplify right side
193,564,364.20x = 16,618,741,162,510,848 - Step 5: Solve for x
x = 16,618,741,162,510,848/193,564,364.20 - Step 6: Final answer
x = 85,856,408.70
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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.