Finding the Fourth Proportional to 203,877,095.70, 305,815,643.55 and 203,877,095.70
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Solution
The fourth proportional to 203,877,095.70, 305,815,643.55 and 203,877,095.70 is: 305,815,643.55
Step by Step Solution
- Step 1: Write the proportion equation
203,877,095.70 : 305,815,643.55 = 203,877,095.70 : x - Step 2: Convert to fraction form
203,877,095.70/305,815,643.55 = 203,877,095.70/x - Step 3: Cross multiply
203,877,095.70x = 305,815,643.55 × 203,877,095.70 - Step 4: Simplify right side
203,877,095.70x = 62,348,805,226,600,440 - Step 5: Solve for x
x = 62,348,805,226,600,440/203,877,095.70 - Step 6: Final answer
x = 305,815,643.55
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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.