Finding the Fourth Proportional to 49,207,830.65, 73,811,745.98 and 48,490,385.30
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Solution
The fourth proportional to 49,207,830.65, 73,811,745.98 and 48,490,385.30 is: 72,735,577.95
Step by Step Solution
- Step 1: Write the proportion equation
49,207,830.65 : 73,811,745.98 = 48,490,385.30 : x - Step 2: Convert to fraction form
49,207,830.65/73,811,745.98 = 48,490,385.30/x - Step 3: Cross multiply
49,207,830.65x = 73,811,745.98 × 48,490,385.30 - Step 4: Simplify right side
49,207,830.65x = 3,579,160,002,235,926 - Step 5: Solve for x
x = 3,579,160,002,235,926/49,207,830.65 - Step 6: Final answer
x = 72,735,577.95
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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.