Finding the Fourth Proportional to 83,041,463.70, 124,562,195.55 and 76,994,846.10
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Solution
The fourth proportional to 83,041,463.70, 124,562,195.55 and 76,994,846.10 is: 115,492,269.15
Step by Step Solution
- Step 1: Write the proportion equation
83,041,463.70 : 124,562,195.55 = 76,994,846.10 : x - Step 2: Convert to fraction form
83,041,463.70/124,562,195.55 = 76,994,846.10/x - Step 3: Cross multiply
83,041,463.70x = 124,562,195.55 × 76,994,846.10 - Step 4: Simplify right side
83,041,463.70x = 9,590,647,076,250,354 - Step 5: Solve for x
x = 9,590,647,076,250,354/83,041,463.70 - Step 6: Final answer
x = 115,492,269.15
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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.