Finding the Fourth Proportional to 135,960,313.11, 187,625,259.09 and 74,080,651.67
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Solution
The fourth proportional to 135,960,313.11, 187,625,259.09 and 74,080,651.67 is: 102,231,314.02
Step by Step Solution
- Step 1: Write the proportion equation
135,960,313.11 : 187,625,259.09 = 74,080,651.67 : x - Step 2: Convert to fraction form
135,960,313.11/187,625,259.09 = 74,080,651.67/x - Step 3: Cross multiply
135,960,313.11x = 187,625,259.09 × 74,080,651.67 - Step 4: Simplify right side
135,960,313.11x = 13,899,401,463,139,792 - Step 5: Solve for x
x = 13,899,401,463,139,792/135,960,313.11 - Step 6: Final answer
x = 102,231,314.02
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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.