Finding the Fourth Proportional to 66,864,489.41, 92,233,901.62 and 42,045,396.05
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Solution
The fourth proportional to 66,864,489.41, 92,233,901.62 and 42,045,396.05 is: 57,998,063.80
Step by Step Solution
- Step 1: Write the proportion equation
66,864,489.41 : 92,233,901.62 = 42,045,396.05 : x - Step 2: Convert to fraction form
66,864,489.41/92,233,901.62 = 42,045,396.05/x - Step 3: Cross multiply
66,864,489.41x = 92,233,901.62 × 42,045,396.05 - Step 4: Simplify right side
66,864,489.41x = 3,878,010,922,849,636.50 - Step 5: Solve for x
x = 3,878,010,922,849,636.50/66,864,489.41 - Step 6: Final answer
x = 57,998,063.80
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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.