Finding the Fourth Proportional to 117,008,619.98, 175,512,929.96 and 56,542,443.98
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Solution
The fourth proportional to 117,008,619.98, 175,512,929.96 and 56,542,443.98 is: 84,813,665.96
Step by Step Solution
- Step 1: Write the proportion equation
117,008,619.98 : 175,512,929.96 = 56,542,443.98 : x - Step 2: Convert to fraction form
117,008,619.98/175,512,929.96 = 56,542,443.98/x - Step 3: Cross multiply
117,008,619.98x = 175,512,929.96 × 56,542,443.98 - Step 4: Simplify right side
117,008,619.98x = 9,923,930,009,292,756 - Step 5: Solve for x
x = 9,923,930,009,292,756/117,008,619.98 - Step 6: Final answer
x = 84,813,665.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.