Finding the Fourth Proportional to 135,430,740.72, 186,895,520.46 and 73,551,522.24
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Solution
The fourth proportional to 135,430,740.72, 186,895,520.46 and 73,551,522.24 is: 101,501,697.15
Step by Step Solution
- Step 1: Write the proportion equation
135,430,740.72 : 186,895,520.46 = 73,551,522.24 : x - Step 2: Convert to fraction form
135,430,740.72/186,895,520.46 = 73,551,522.24/x - Step 3: Cross multiply
135,430,740.72x = 186,895,520.46 × 73,551,522.24 - Step 4: Simplify right side
135,430,740.72x = 13,746,450,029,670,064 - Step 5: Solve for x
x = 13,746,450,029,670,064/135,430,740.72 - Step 6: Final answer
x = 101,501,697.15
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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.