Finding the Fourth Proportional to 149,468,201.20, 224,202,301.80 and 125,659,644.40
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Solution
The fourth proportional to 149,468,201.20, 224,202,301.80 and 125,659,644.40 is: 188,489,466.60
Step by Step Solution
- Step 1: Write the proportion equation
149,468,201.20 : 224,202,301.80 = 125,659,644.40 : x - Step 2: Convert to fraction form
149,468,201.20/224,202,301.80 = 125,659,644.40/x - Step 3: Cross multiply
149,468,201.20x = 224,202,301.80 × 125,659,644.40 - Step 4: Simplify right side
149,468,201.20x = 28,173,181,517,849,484 - Step 5: Solve for x
x = 28,173,181,517,849,484/149,468,201.20 - Step 6: Final answer
x = 188,489,466.60
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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.