Finding the Fourth Proportional to 278,469,544.92, 384,294,372.48 and 153,029,539.68
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Solution
The fourth proportional to 278,469,544.92, 384,294,372.48 and 153,029,539.68 is: 211,184,282.07
Step by Step Solution
- Step 1: Write the proportion equation
278,469,544.92 : 384,294,372.48 = 153,029,539.68 : x - Step 2: Convert to fraction form
278,469,544.92/384,294,372.48 = 153,029,539.68/x - Step 3: Cross multiply
278,469,544.92x = 384,294,372.48 × 153,029,539.68 - Step 4: Simplify right side
278,469,544.92x = 58,808,390,922,228,864 - Step 5: Solve for x
x = 58,808,390,922,228,864/278,469,544.92 - Step 6: Final answer
x = 211,184,282.07
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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.