Finding the Fourth Proportional to 119,232,073.80, 178,848,110.70 and 100,100,197.80
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Solution
The fourth proportional to 119,232,073.80, 178,848,110.70 and 100,100,197.80 is: 150,150,296.70
Step by Step Solution
- Step 1: Write the proportion equation
119,232,073.80 : 178,848,110.70 = 100,100,197.80 : x - Step 2: Convert to fraction form
119,232,073.80/178,848,110.70 = 100,100,197.80/x - Step 3: Cross multiply
119,232,073.80x = 178,848,110.70 × 100,100,197.80 - Step 4: Simplify right side
119,232,073.80x = 17,902,731,257,226,294 - Step 5: Solve for x
x = 17,902,731,257,226,294/119,232,073.80 - Step 6: Final answer
x = 150,150,296.70
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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.