Finding the Fourth Proportional to 129,916,252.84, 179,284,424.36 and 71,181,142.96
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Solution
The fourth proportional to 129,916,252.84, 179,284,424.36 and 71,181,142.96 is: 98,229,974.79
Step by Step Solution
- Step 1: Write the proportion equation
129,916,252.84 : 179,284,424.36 = 71,181,142.96 : x - Step 2: Convert to fraction form
129,916,252.84/179,284,424.36 = 71,181,142.96/x - Step 3: Cross multiply
129,916,252.84x = 179,284,424.36 × 71,181,142.96 - Step 4: Simplify right side
129,916,252.84x = 12,761,670,240,870,466 - Step 5: Solve for x
x = 12,761,670,240,870,466/129,916,252.84 - Step 6: Final answer
x = 98,229,974.79
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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.