Finding the Fourth Proportional to 97,078,550.80, 145,617,826.20 and 60,798,845.20
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Solution
The fourth proportional to 97,078,550.80, 145,617,826.20 and 60,798,845.20 is: 91,198,267.80
Step by Step Solution
- Step 1: Write the proportion equation
97,078,550.80 : 145,617,826.20 = 60,798,845.20 : x - Step 2: Convert to fraction form
97,078,550.80/145,617,826.20 = 60,798,845.20/x - Step 3: Cross multiply
97,078,550.80x = 145,617,826.20 × 60,798,845.20 - Step 4: Simplify right side
97,078,550.80x = 8,853,395,673,494,304 - Step 5: Solve for x
x = 8,853,395,673,494,304/97,078,550.80 - Step 6: Final answer
x = 91,198,267.80
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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.