Finding the Fourth Proportional to 289,257,165.36, 433,837,775.88 and 95,170,947.12
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Solution
The fourth proportional to 289,257,165.36, 433,837,775.88 and 95,170,947.12 is: 142,740,636.95
Step by Step Solution
- Step 1: Write the proportion equation
289,257,165.36 : 433,837,775.88 = 95,170,947.12 : x - Step 2: Convert to fraction form
289,257,165.36/433,837,775.88 = 95,170,947.12/x - Step 3: Cross multiply
289,257,165.36x = 433,837,775.88 × 95,170,947.12 - Step 4: Simplify right side
289,257,165.36x = 41,288,752,026,933,896 - Step 5: Solve for x
x = 41,288,752,026,933,896/289,257,165.36 - Step 6: Final answer
x = 142,740,636.95
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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.