Finding the Fourth Proportional to 75,918,275.62, 113,853,860.67 and 27,389,820.82
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Solution
The fourth proportional to 75,918,275.62, 113,853,860.67 and 27,389,820.82 is: 41,076,233.86
Step by Step Solution
- Step 1: Write the proportion equation
75,918,275.62 : 113,853,860.67 = 27,389,820.82 : x - Step 2: Convert to fraction form
75,918,275.62/113,853,860.67 = 27,389,820.82/x - Step 3: Cross multiply
75,918,275.62x = 113,853,860.67 × 27,389,820.82 - Step 4: Simplify right side
75,918,275.62x = 3,118,436,843,416,545 - Step 5: Solve for x
x = 3,118,436,843,416,545/75,918,275.62 - Step 6: Final answer
x = 41,076,233.86
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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.