Finding the Fourth Proportional to 262,670,153.67, 362,485,542.64 and 143,594,184.76
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Solution
The fourth proportional to 262,670,153.67, 362,485,542.64 and 143,594,184.76 is: 198,160,374.35
Step by Step Solution
- Step 1: Write the proportion equation
262,670,153.67 : 362,485,542.64 = 143,594,184.76 : x - Step 2: Convert to fraction form
262,670,153.67/362,485,542.64 = 143,594,184.76/x - Step 3: Cross multiply
262,670,153.67x = 362,485,542.64 × 143,594,184.76 - Step 4: Simplify right side
262,670,153.67x = 52,050,815,982,677,016 - Step 5: Solve for x
x = 52,050,815,982,677,016/262,670,153.67 - Step 6: Final answer
x = 198,160,374.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.