Finding the Fourth Proportional to 134,578,152.37, 201,903,114.72 and 48,317,306.45
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Solution
The fourth proportional to 134,578,152.37, 201,903,114.72 and 48,317,306.45 is: 72,488,843.81
Step by Step Solution
- Step 1: Write the proportion equation
134,578,152.37 : 201,903,114.72 = 48,317,306.45 : x - Step 2: Convert to fraction form
134,578,152.37/201,903,114.72 = 48,317,306.45/x - Step 3: Cross multiply
134,578,152.37x = 201,903,114.72 × 48,317,306.45 - Step 4: Simplify right side
134,578,152.37x = 9,755,414,667,135,746 - Step 5: Solve for x
x = 9,755,414,667,135,746/134,578,152.37 - Step 6: Final answer
x = 72,488,843.81
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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.