Finding the Fourth Proportional to 121,864,415.04, 182,790,184.58 and 39,972,506.22
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Solution
The fourth proportional to 121,864,415.04, 182,790,184.58 and 39,972,506.22 is: 59,956,647.62
Step by Step Solution
- Step 1: Write the proportion equation
121,864,415.04 : 182,790,184.58 = 39,972,506.22 : x - Step 2: Convert to fraction form
121,864,415.04/182,790,184.58 = 39,972,506.22/x - Step 3: Cross multiply
121,864,415.04x = 182,790,184.58 × 39,972,506.22 - Step 4: Simplify right side
121,864,415.04x = 7,306,581,790,078,998 - Step 5: Solve for x
x = 7,306,581,790,078,998/121,864,415.04 - Step 6: Final answer
x = 59,956,647.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.