Finding the Fourth Proportional to 51,555,611.67, 71,129,332.83 and 29,226,203.79
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Solution
The fourth proportional to 51,555,611.67, 71,129,332.83 and 29,226,203.79 is: 40,322,291.01
Step by Step Solution
- Step 1: Write the proportion equation
51,555,611.67 : 71,129,332.83 = 29,226,203.79 : x - Step 2: Convert to fraction form
51,555,611.67/71,129,332.83 = 29,226,203.79/x - Step 3: Cross multiply
51,555,611.67x = 71,129,332.83 × 29,226,203.79 - Step 4: Simplify right side
51,555,611.67x = 2,078,840,376,736,317.25 - Step 5: Solve for x
x = 2,078,840,376,736,317.25/51,555,611.67 - Step 6: Final answer
x = 40,322,291.01
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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.