Finding the Fourth Proportional to 66,033,718.40, 99,064,574.40 and 19,971,804.80
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Solution
The fourth proportional to 66,033,718.40, 99,064,574.40 and 19,971,804.80 is: 29,961,940.51
Step by Step Solution
- Step 1: Write the proportion equation
66,033,718.40 : 99,064,574.40 = 19,971,804.80 : x - Step 2: Convert to fraction form
66,033,718.40/99,064,574.40 = 19,971,804.80/x - Step 3: Cross multiply
66,033,718.40x = 99,064,574.40 × 19,971,804.80 - Step 4: Simplify right side
66,033,718.40x = 1,978,498,342,511,877.25 - Step 5: Solve for x
x = 1,978,498,342,511,877.25/66,033,718.40 - Step 6: Final answer
x = 29,961,940.51
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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.