Finding the Fourth Proportional to 114,192,029.68, 157,585,158.84 and 61,981,075.60
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Solution
The fourth proportional to 114,192,029.68, 157,585,158.84 and 61,981,075.60 is: 85,533,970.02
Step by Step Solution
- Step 1: Write the proportion equation
114,192,029.68 : 157,585,158.84 = 61,981,075.60 : x - Step 2: Convert to fraction form
114,192,029.68/157,585,158.84 = 61,981,075.60/x - Step 3: Cross multiply
114,192,029.68x = 157,585,158.84 × 61,981,075.60 - Step 4: Simplify right side
114,192,029.68x = 9,767,297,643,500,048 - Step 5: Solve for x
x = 9,767,297,643,500,048/114,192,029.68 - Step 6: Final answer
x = 85,533,970.02
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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.