Finding the Fourth Proportional to 88,398,327.70, 121,990,956.06 and 50,727,630.52
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Solution
The fourth proportional to 88,398,327.70, 121,990,956.06 and 50,727,630.52 is: 70,004,855.37
Step by Step Solution
- Step 1: Write the proportion equation
88,398,327.70 : 121,990,956.06 = 50,727,630.52 : x - Step 2: Convert to fraction form
88,398,327.70/121,990,956.06 = 50,727,630.52/x - Step 3: Cross multiply
88,398,327.70x = 121,990,956.06 × 50,727,630.52 - Step 4: Simplify right side
88,398,327.70x = 6,188,312,145,793,235 - Step 5: Solve for x
x = 6,188,312,145,793,235/88,398,327.70 - Step 6: Final answer
x = 70,004,855.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.