Finding the Fourth Proportional to 275,457,104.07, 413,240,134.28 and 78,722,282.31
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Solution
The fourth proportional to 275,457,104.07, 413,240,134.28 and 78,722,282.31 is: 118,098,992.66
Step by Step Solution
- Step 1: Write the proportion equation
275,457,104.07 : 413,240,134.28 = 78,722,282.31 : x - Step 2: Convert to fraction form
275,457,104.07/413,240,134.28 = 78,722,282.31/x - Step 3: Cross multiply
275,457,104.07x = 413,240,134.28 × 78,722,282.31 - Step 4: Simplify right side
275,457,104.07x = 32,531,206,512,218,856 - Step 5: Solve for x
x = 32,531,206,512,218,856/275,457,104.07 - Step 6: Final answer
x = 118,098,992.66
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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.