Finding the Fourth Proportional to 80,763,774.40, 121,145,661.60 and 32,894,718.40
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Solution
The fourth proportional to 80,763,774.40, 121,145,661.60 and 32,894,718.40 is: 49,342,077.60
Step by Step Solution
- Step 1: Write the proportion equation
80,763,774.40 : 121,145,661.60 = 32,894,718.40 : x - Step 2: Convert to fraction form
80,763,774.40/121,145,661.60 = 32,894,718.40/x - Step 3: Cross multiply
80,763,774.40x = 121,145,661.60 × 32,894,718.40 - Step 4: Simplify right side
80,763,774.40x = 3,985,052,423,713,693 - Step 5: Solve for x
x = 3,985,052,423,713,693/80,763,774.40 - Step 6: Final answer
x = 49,342,077.60
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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.