Finding the Fourth Proportional to 80,079,392.30, 120,119,088.45 and 71,576,336.30
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Solution
The fourth proportional to 80,079,392.30, 120,119,088.45 and 71,576,336.30 is: 107,364,504.45
Step by Step Solution
- Step 1: Write the proportion equation
80,079,392.30 : 120,119,088.45 = 71,576,336.30 : x - Step 2: Convert to fraction form
80,079,392.30/120,119,088.45 = 71,576,336.30/x - Step 3: Cross multiply
80,079,392.30x = 120,119,088.45 × 71,576,336.30 - Step 4: Simplify right side
80,079,392.30x = 8,597,684,270,946,646 - Step 5: Solve for x
x = 8,597,684,270,946,646/80,079,392.30 - Step 6: Final answer
x = 107,364,504.45
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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.