Finding the Fourth Proportional to 75,918,257.88, 113,853,834.66 and 27,389,803.08
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Solution
The fourth proportional to 75,918,257.88, 113,853,834.66 and 27,389,803.08 is: 41,076,207.47
Step by Step Solution
- Step 1: Write the proportion equation
75,918,257.88 : 113,853,834.66 = 27,389,803.08 : x - Step 2: Convert to fraction form
75,918,257.88/113,853,834.66 = 27,389,803.08/x - Step 3: Cross multiply
75,918,257.88x = 113,853,834.66 × 27,389,803.08 - Step 4: Simplify right side
75,918,257.88x = 3,118,434,111,240,278.50 - Step 5: Solve for x
x = 3,118,434,111,240,278.50/75,918,257.88 - Step 6: Final answer
x = 41,076,207.47
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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.