Finding the Fourth Proportional to 101,073,917.64, 139,482,006.48 and 54,664,171.68
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Solution
The fourth proportional to 101,073,917.64, 139,482,006.48 and 54,664,171.68 is: 75,436,556.99
Step by Step Solution
- Step 1: Write the proportion equation
101,073,917.64 : 139,482,006.48 = 54,664,171.68 : x - Step 2: Convert to fraction form
101,073,917.64/139,482,006.48 = 54,664,171.68/x - Step 3: Cross multiply
101,073,917.64x = 139,482,006.48 × 54,664,171.68 - Step 4: Simplify right side
101,073,917.64x = 7,624,668,348,493,592 - Step 5: Solve for x
x = 7,624,668,348,493,592/101,073,917.64 - Step 6: Final answer
x = 75,436,556.99
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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.