Finding the Fourth Proportional to 121,017,536.99, 166,983,366.34 and 68,086,899.13
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Solution
The fourth proportional to 121,017,536.99, 166,983,366.34 and 68,086,899.13 is: 93,948,198.77
Step by Step Solution
- Step 1: Write the proportion equation
121,017,536.99 : 166,983,366.34 = 68,086,899.13 : x - Step 2: Convert to fraction form
121,017,536.99/166,983,366.34 = 68,086,899.13/x - Step 3: Cross multiply
121,017,536.99x = 166,983,366.34 × 68,086,899.13 - Step 4: Simplify right side
121,017,536.99x = 11,369,379,619,890,604 - Step 5: Solve for x
x = 11,369,379,619,890,604/121,017,536.99 - Step 6: Final answer
x = 93,948,198.77
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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.