Finding the Fourth Proportional to 293,641,833.34, 405,236,383.95 and 168,218,269.68
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Solution
The fourth proportional to 293,641,833.34, 405,236,383.95 and 168,218,269.68 is: 232,147,315.48
Step by Step Solution
- Step 1: Write the proportion equation
293,641,833.34 : 405,236,383.95 = 168,218,269.68 : x - Step 2: Convert to fraction form
293,641,833.34/405,236,383.95 = 168,218,269.68/x - Step 3: Cross multiply
293,641,833.34x = 405,236,383.95 × 168,218,269.68 - Step 4: Simplify right side
293,641,833.34x = 68,168,163,321,601,264 - Step 5: Solve for x
x = 68,168,163,321,601,264/293,641,833.34 - Step 6: Final answer
x = 232,147,315.48
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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.