Finding the Fourth Proportional to 134,492,633.70, 201,738,950.55 and 80,073,075.30
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Solution
The fourth proportional to 134,492,633.70, 201,738,950.55 and 80,073,075.30 is: 120,109,612.95
Step by Step Solution
- Step 1: Write the proportion equation
134,492,633.70 : 201,738,950.55 = 80,073,075.30 : x - Step 2: Convert to fraction form
134,492,633.70/201,738,950.55 = 80,073,075.30/x - Step 3: Cross multiply
134,492,633.70x = 201,738,950.55 × 80,073,075.30 - Step 4: Simplify right side
134,492,633.70x = 16,153,858,178,333,126 - Step 5: Solve for x
x = 16,153,858,178,333,126/134,492,633.70 - Step 6: Final answer
x = 120,109,612.95
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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.