Finding the Fourth Proportional to 99,866,642.24, 149,757,427.68 and 39,239,840.96
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Solution
The fourth proportional to 99,866,642.24, 149,757,427.68 and 39,239,840.96 is: 58,843,048.22
Step by Step Solution
- Step 1: Write the proportion equation
99,866,642.24 : 149,757,427.68 = 39,239,840.96 : x - Step 2: Convert to fraction form
99,866,642.24/149,757,427.68 = 39,239,840.96/x - Step 3: Cross multiply
99,866,642.24x = 149,757,427.68 × 39,239,840.96 - Step 4: Simplify right side
99,866,642.24x = 5,876,457,644,741,902 - Step 5: Solve for x
x = 5,876,457,644,741,902/99,866,642.24 - Step 6: Final answer
x = 58,843,048.22
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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.