Finding the Fourth Proportional to 55,992,872.16, 77,266,230.48 and 30,873,864.96
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Solution
The fourth proportional to 55,992,872.16, 77,266,230.48 and 30,873,864.96 is: 42,603,764.98
Step by Step Solution
- Step 1: Write the proportion equation
55,992,872.16 : 77,266,230.48 = 30,873,864.96 : x - Step 2: Convert to fraction form
55,992,872.16/77,266,230.48 = 30,873,864.96/x - Step 3: Cross multiply
55,992,872.16x = 77,266,230.48 × 30,873,864.96 - Step 4: Simplify right side
55,992,872.16x = 2,385,507,165,807,756 - Step 5: Solve for x
x = 2,385,507,165,807,756/55,992,872.16 - Step 6: Final answer
x = 42,603,764.98
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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.