Finding the Fourth Proportional to 136,844,075.97, 188,843,321.43 and 74,118,613.41
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Solution
The fourth proportional to 136,844,075.97, 188,843,321.43 and 74,118,613.41 is: 102,282,872.22
Step by Step Solution
- Step 1: Write the proportion equation
136,844,075.97 : 188,843,321.43 = 74,118,613.41 : x - Step 2: Convert to fraction form
136,844,075.97/188,843,321.43 = 74,118,613.41/x - Step 3: Cross multiply
136,844,075.97x = 188,843,321.43 × 74,118,613.41 - Step 4: Simplify right side
136,844,075.97x = 13,996,805,136,130,538 - Step 5: Solve for x
x = 13,996,805,136,130,538/136,844,075.97 - Step 6: Final answer
x = 102,282,872.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.