Finding the Fourth Proportional to 75,082,655.12, 103,614,064.08 and 40,743,839.12
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Solution
The fourth proportional to 75,082,655.12, 103,614,064.08 and 40,743,839.12 is: 56,226,497.99
Step by Step Solution
- Step 1: Write the proportion equation
75,082,655.12 : 103,614,064.08 = 40,743,839.12 : x - Step 2: Convert to fraction form
75,082,655.12/103,614,064.08 = 40,743,839.12/x - Step 3: Cross multiply
75,082,655.12x = 103,614,064.08 × 40,743,839.12 - Step 4: Simplify right side
75,082,655.12x = 4,221,634,757,444,890.50 - Step 5: Solve for x
x = 4,221,634,757,444,890.50/75,082,655.12 - Step 6: Final answer
x = 56,226,497.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.