Finding the Fourth Proportional to 74,198,541.13, 102,406,266.50 and 41,169,431.05
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Solution
The fourth proportional to 74,198,541.13, 102,406,266.50 and 41,169,431.05 is: 56,820,628.32
Step by Step Solution
- Step 1: Write the proportion equation
74,198,541.13 : 102,406,266.50 = 41,169,431.05 : x - Step 2: Convert to fraction form
74,198,541.13/102,406,266.50 = 41,169,431.05/x - Step 3: Cross multiply
74,198,541.13x = 102,406,266.50 × 41,169,431.05 - Step 4: Simplify right side
74,198,541.13x = 4,216,007,727,297,812 - Step 5: Solve for x
x = 4,216,007,727,297,812/74,198,541.13 - Step 6: Final answer
x = 56,820,628.32
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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.