Finding the Fourth Proportional to 124,397,552.26, 171,672,264.69 and 67,885,939.58
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Solution
The fourth proportional to 124,397,552.26, 171,672,264.69 and 67,885,939.58 is: 93,684,584.43
Step by Step Solution
- Step 1: Write the proportion equation
124,397,552.26 : 171,672,264.69 = 67,885,939.58 : x - Step 2: Convert to fraction form
124,397,552.26/171,672,264.69 = 67,885,939.58/x - Step 3: Cross multiply
124,397,552.26x = 171,672,264.69 × 67,885,939.58 - Step 4: Simplify right side
124,397,552.26x = 11,654,132,987,448,746 - Step 5: Solve for x
x = 11,654,132,987,448,746/124,397,552.26 - Step 6: Final answer
x = 93,684,584.43
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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.