Finding the Fourth Proportional to 96,573,753.20, 144,860,629.80 and 73,898,937.20
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Solution
The fourth proportional to 96,573,753.20, 144,860,629.80 and 73,898,937.20 is: 110,848,405.80
Step by Step Solution
- Step 1: Write the proportion equation
96,573,753.20 : 144,860,629.80 = 73,898,937.20 : x - Step 2: Convert to fraction form
96,573,753.20/144,860,629.80 = 73,898,937.20/x - Step 3: Cross multiply
96,573,753.20x = 144,860,629.80 × 73,898,937.20 - Step 4: Simplify right side
96,573,753.20x = 10,705,046,584,342,650 - Step 5: Solve for x
x = 10,705,046,584,342,650/96,573,753.20 - Step 6: Final answer
x = 110,848,405.80
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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.