Finding the Fourth Proportional to 86,368,075.81, 129,573,368.12 and 60,858,907.81
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Solution
The fourth proportional to 86,368,075.81, 129,573,368.12 and 60,858,907.81 is: 91,303,338.54
Step by Step Solution
- Step 1: Write the proportion equation
86,368,075.81 : 129,573,368.12 = 60,858,907.81 : x - Step 2: Convert to fraction form
86,368,075.81/129,573,368.12 = 60,858,907.81/x - Step 3: Cross multiply
86,368,075.81x = 129,573,368.12 × 60,858,907.81 - Step 4: Simplify right side
86,368,075.81x = 7,885,693,665,046,274 - Step 5: Solve for x
x = 7,885,693,665,046,274/86,368,075.81 - Step 6: Final answer
x = 91,303,338.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.