Finding the Fourth Proportional to 136,486,926.26, 204,730,389.40 and 45,610,515.26
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Solution
The fourth proportional to 136,486,926.26, 204,730,389.40 and 45,610,515.26 is: 68,415,772.89
Step by Step Solution
- Step 1: Write the proportion equation
136,486,926.26 : 204,730,389.40 = 45,610,515.26 : x - Step 2: Convert to fraction form
136,486,926.26/204,730,389.40 = 45,610,515.26/x - Step 3: Cross multiply
136,486,926.26x = 204,730,389.40 × 45,610,515.26 - Step 4: Simplify right side
136,486,926.26x = 9,337,858,549,914,442 - Step 5: Solve for x
x = 9,337,858,549,914,442/136,486,926.26 - Step 6: Final answer
x = 68,415,772.89
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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.