Finding the Fourth Proportional to 240,731,678.79, 332,204,971.82 and 141,623,137.35
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Solution
The fourth proportional to 240,731,678.79, 332,204,971.82 and 141,623,137.35 is: 195,437,138.10
Step by Step Solution
- Step 1: Write the proportion equation
240,731,678.79 : 332,204,971.82 = 141,623,137.35 : x - Step 2: Convert to fraction form
240,731,678.79/332,204,971.82 = 141,623,137.35/x - Step 3: Cross multiply
240,731,678.79x = 332,204,971.82 × 141,623,137.35 - Step 4: Simplify right side
240,731,678.79x = 47,047,910,351,708,624 - Step 5: Solve for x
x = 47,047,910,351,708,624/240,731,678.79 - Step 6: Final answer
x = 195,437,138.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.