Finding the Fourth Proportional to 85,590,934.92, 128,306,530.28 and 33,775,966.66
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Solution
The fourth proportional to 85,590,934.92, 128,306,530.28 and 33,775,966.66 is: 50,632,430.79
Step by Step Solution
- Step 1: Write the proportion equation
85,590,934.92 : 128,306,530.28 = 33,775,966.66 : x - Step 2: Convert to fraction form
85,590,934.92/128,306,530.28 = 33,775,966.66/x - Step 3: Cross multiply
85,590,934.92x = 128,306,530.28 × 33,775,966.66 - Step 4: Simplify right side
85,590,934.92x = 4,333,677,089,082,000 - Step 5: Solve for x
x = 4,333,677,089,082,000/85,590,934.92 - Step 6: Final answer
x = 50,632,430.79
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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.