Finding the Fourth Proportional to 75,816,164.20, 113,724,246.30 and 62,211,274.60
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Solution
The fourth proportional to 75,816,164.20, 113,724,246.30 and 62,211,274.60 is: 93,316,911.90
Step by Step Solution
- Step 1: Write the proportion equation
75,816,164.20 : 113,724,246.30 = 62,211,274.60 : x - Step 2: Convert to fraction form
75,816,164.20/113,724,246.30 = 62,211,274.60/x - Step 3: Cross multiply
75,816,164.20x = 113,724,246.30 × 62,211,274.60 - Step 4: Simplify right side
75,816,164.20x = 7,074,930,315,247,334 - Step 5: Solve for x
x = 7,074,930,315,247,334/75,816,164.20 - Step 6: Final answer
x = 93,316,911.90
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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.