Finding the Fourth Proportional to 304,128,532.80, 456,104,325.60 and 167,879,188.80
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Solution
The fourth proportional to 304,128,532.80, 456,104,325.60 and 167,879,188.80 is: 251,769,945.70
Step by Step Solution
- Step 1: Write the proportion equation
304,128,532.80 : 456,104,325.60 = 167,879,188.80 : x - Step 2: Convert to fraction form
304,128,532.80/456,104,325.60 = 167,879,188.80/x - Step 3: Cross multiply
304,128,532.80x = 456,104,325.60 × 167,879,188.80 - Step 4: Simplify right side
304,128,532.80x = 76,570,424,189,899,088 - Step 5: Solve for x
x = 76,570,424,189,899,088/304,128,532.80 - Step 6: Final answer
x = 251,769,945.70
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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.