Finding the Fourth Proportional to 149,468,229.80, 224,202,344.70 and 139,902,291.80
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Solution
The fourth proportional to 149,468,229.80, 224,202,344.70 and 139,902,291.80 is: 209,853,437.70
Step by Step Solution
- Step 1: Write the proportion equation
149,468,229.80 : 224,202,344.70 = 139,902,291.80 : x - Step 2: Convert to fraction form
149,468,229.80/224,202,344.70 = 139,902,291.80/x - Step 3: Cross multiply
149,468,229.80x = 224,202,344.70 × 139,902,291.80 - Step 4: Simplify right side
149,468,229.80x = 31,366,421,850,463,584 - Step 5: Solve for x
x = 31,366,421,850,463,584/149,468,229.80 - Step 6: Final answer
x = 209,853,437.70
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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.