Finding the Fourth Proportional to 99,794,246.10, 149,691,369.15 and 72,920,390.10
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Solution
The fourth proportional to 99,794,246.10, 149,691,369.15 and 72,920,390.10 is: 109,380,585.15
Step by Step Solution
- Step 1: Write the proportion equation
99,794,246.10 : 149,691,369.15 = 72,920,390.10 : x - Step 2: Convert to fraction form
99,794,246.10/149,691,369.15 = 72,920,390.10/x - Step 3: Cross multiply
99,794,246.10x = 149,691,369.15 × 72,920,390.10 - Step 4: Simplify right side
99,794,246.10x = 10,915,553,033,021,104 - Step 5: Solve for x
x = 10,915,553,033,021,104/99,794,246.10 - Step 6: Final answer
x = 109,380,585.15
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Similar ratio
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1.5x scale
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.