Finding the Fourth Proportional to 122,480,319.60, 183,720,479.40 and 92,247,231.60
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Solution
The fourth proportional to 122,480,319.60, 183,720,479.40 and 92,247,231.60 is: 138,370,847.40
Step by Step Solution
- Step 1: Write the proportion equation
122,480,319.60 : 183,720,479.40 = 92,247,231.60 : x - Step 2: Convert to fraction form
122,480,319.60/183,720,479.40 = 92,247,231.60/x - Step 3: Cross multiply
122,480,319.60x = 183,720,479.40 × 92,247,231.60 - Step 4: Simplify right side
122,480,319.60x = 16,947,705,612,874,828 - Step 5: Solve for x
x = 16,947,705,612,874,828/122,480,319.60 - Step 6: Final answer
x = 138,370,847.40
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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.