Finding the Fourth Proportional to 190,120,408.61, 284,689,466.73 and 131,214,553.98
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Solution
The fourth proportional to 190,120,408.61, 284,689,466.73 and 131,214,553.98 is: 196,482,858.80
Step by Step Solution
- Step 1: Write the proportion equation
190,120,408.61 : 284,689,466.73 = 131,214,553.98 : x - Step 2: Convert to fraction form
190,120,408.61/284,689,466.73 = 131,214,553.98/x - Step 3: Cross multiply
190,120,408.61x = 284,689,466.73 × 131,214,553.98 - Step 4: Simplify right side
190,120,408.61x = 37,355,401,399,781,000 - Step 5: Solve for x
x = 37,355,401,399,781,000/190,120,408.61 - Step 6: Final answer
x = 196,482,858.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.