Finding the Fourth Proportional to 85,340,923.47, 127,959,546.64 and 33,463,376.08
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Solution
The fourth proportional to 85,340,923.47, 127,959,546.64 and 33,463,376.08 is: 50,174,737.49
Step by Step Solution
- Step 1: Write the proportion equation
85,340,923.47 : 127,959,546.64 = 33,463,376.08 : x - Step 2: Convert to fraction form
85,340,923.47/127,959,546.64 = 33,463,376.08/x - Step 3: Cross multiply
85,340,923.47x = 127,959,546.64 × 33,463,376.08 - Step 4: Simplify right side
85,340,923.47x = 4,281,958,432,240,620 - Step 5: Solve for x
x = 4,281,958,432,240,620/85,340,923.47 - Step 6: Final answer
x = 50,174,737.49
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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.