Finding the Fourth Proportional to 73,453,501.20, 110,265,107.40 and 39,441,277.20
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Solution
The fourth proportional to 73,453,501.20, 110,265,107.40 and 39,441,277.20 is: 59,207,479.50
Step by Step Solution
- Step 1: Write the proportion equation
73,453,501.20 : 110,265,107.40 = 39,441,277.20 : x - Step 2: Convert to fraction form
73,453,501.20/110,265,107.40 = 39,441,277.20/x - Step 3: Cross multiply
73,453,501.20x = 110,265,107.40 × 39,441,277.20 - Step 4: Simplify right side
73,453,501.20x = 4,348,996,666,451,172 - Step 5: Solve for x
x = 4,348,996,666,451,172/73,453,501.20 - Step 6: Final answer
x = 59,207,479.50
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1.5x scale
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.