Finding the Fourth Proportional to 293,785,201.20, 440,694,390.60 and 89,319,946.80
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Solution
The fourth proportional to 293,785,201.20, 440,694,390.60 and 89,319,946.80 is: 133,984,963.72
Step by Step Solution
- Step 1: Write the proportion equation
293,785,201.20 : 440,694,390.60 = 89,319,946.80 : x - Step 2: Convert to fraction form
293,785,201.20/440,694,390.60 = 89,319,946.80/x - Step 3: Cross multiply
293,785,201.20x = 440,694,390.60 × 89,319,946.80 - Step 4: Simplify right side
293,785,201.20x = 39,362,799,523,450,424 - Step 5: Solve for x
x = 39,362,799,523,450,424/293,785,201.20 - Step 6: Final answer
x = 133,984,963.72
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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.