Finding the Fourth Proportional to 132,807,723.20, 199,211,584.80 and 37,069,611.20
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Solution
The fourth proportional to 132,807,723.20, 199,211,584.80 and 37,069,611.20 is: 55,604,416.80
Step by Step Solution
- Step 1: Write the proportion equation
132,807,723.20 : 199,211,584.80 = 37,069,611.20 : x - Step 2: Convert to fraction form
132,807,723.20/199,211,584.80 = 37,069,611.20/x - Step 3: Cross multiply
132,807,723.20x = 199,211,584.80 × 37,069,611.20 - Step 4: Simplify right side
132,807,723.20x = 7,384,695,995,071,831 - Step 5: Solve for x
x = 7,384,695,995,071,831/132,807,723.20 - Step 6: Final answer
x = 55,604,416.80
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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.