Finding the Fourth Proportional to 71,962,582.41, 99,310,710.83 and 39,367,534.41
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Solution
The fourth proportional to 71,962,582.41, 99,310,710.83 and 39,367,534.41 is: 54,328,481.48
Step by Step Solution
- Step 1: Write the proportion equation
71,962,582.41 : 99,310,710.83 = 39,367,534.41 : x - Step 2: Convert to fraction form
71,962,582.41/99,310,710.83 = 39,367,534.41/x - Step 3: Cross multiply
71,962,582.41x = 99,310,710.83 × 39,367,534.41 - Step 4: Simplify right side
71,962,582.41x = 3,909,617,825,684,747 - Step 5: Solve for x
x = 3,909,617,825,684,747/71,962,582.41 - Step 6: Final answer
x = 54,328,481.48
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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.