Finding the Fourth Proportional to 77,122,741.58, 106,429,371.84 and 44,083,700.14
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Solution
The fourth proportional to 77,122,741.58, 106,429,371.84 and 44,083,700.14 is: 60,835,499.60
Step by Step Solution
- Step 1: Write the proportion equation
77,122,741.58 : 106,429,371.84 = 44,083,700.14 : x - Step 2: Convert to fraction form
77,122,741.58/106,429,371.84 = 44,083,700.14/x - Step 3: Cross multiply
77,122,741.58x = 106,429,371.84 × 44,083,700.14 - Step 4: Simplify right side
77,122,741.58x = 4,691,800,514,283,120 - Step 5: Solve for x
x = 4,691,800,514,283,120/77,122,741.58 - Step 6: Final answer
x = 60,835,499.60
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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.