Finding the Fourth Proportional to 129,276,692.70, 193,915,039.05 and 100,366,302.30
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Solution
The fourth proportional to 129,276,692.70, 193,915,039.05 and 100,366,302.30 is: 150,549,453.45
Step by Step Solution
- Step 1: Write the proportion equation
129,276,692.70 : 193,915,039.05 = 100,366,302.30 : x - Step 2: Convert to fraction form
129,276,692.70/193,915,039.05 = 100,366,302.30/x - Step 3: Cross multiply
129,276,692.70x = 193,915,039.05 × 100,366,302.30 - Step 4: Simplify right side
129,276,692.70x = 19,462,535,429,808,604 - Step 5: Solve for x
x = 19,462,535,429,808,604/129,276,692.70 - Step 6: Final answer
x = 150,549,453.45
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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.