Finding the Fourth Proportional to 99,684,081.70, 149,526,122.55 and 58,701,451.30
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Solution
The fourth proportional to 99,684,081.70, 149,526,122.55 and 58,701,451.30 is: 88,052,176.95
Step by Step Solution
- Step 1: Write the proportion equation
99,684,081.70 : 149,526,122.55 = 58,701,451.30 : x - Step 2: Convert to fraction form
99,684,081.70/149,526,122.55 = 58,701,451.30/x - Step 3: Cross multiply
99,684,081.70x = 149,526,122.55 × 58,701,451.30 - Step 4: Simplify right side
99,684,081.70x = 8,777,400,400,946,657 - Step 5: Solve for x
x = 8,777,400,400,946,657/99,684,081.70 - Step 6: Final answer
x = 88,052,176.95
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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.