Finding the Fourth Proportional to 42,334,198.26, 58,446,237.21 and 26,666,653.28
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Solution
The fourth proportional to 42,334,198.26, 58,446,237.21 and 26,666,653.28 is: 36,815,756.70
Step by Step Solution
- Step 1: Write the proportion equation
42,334,198.26 : 58,446,237.21 = 26,666,653.28 : x - Step 2: Convert to fraction form
42,334,198.26/58,446,237.21 = 26,666,653.28/x - Step 3: Cross multiply
42,334,198.26x = 58,446,237.21 × 26,666,653.28 - Step 4: Simplify right side
42,334,198.26x = 1,558,565,543,199,704.75 - Step 5: Solve for x
x = 1,558,565,543,199,704.75/42,334,198.26 - Step 6: Final answer
x = 36,815,756.70
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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.