Finding the Fourth Proportional to 162,385,277.80, 243,577,916.70 and 162,385,277.80
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Solution
The fourth proportional to 162,385,277.80, 243,577,916.70 and 162,385,277.80 is: 243,577,916.70
Step by Step Solution
- Step 1: Write the proportion equation
162,385,277.80 : 243,577,916.70 = 162,385,277.80 : x - Step 2: Convert to fraction form
162,385,277.80/243,577,916.70 = 162,385,277.80/x - Step 3: Cross multiply
162,385,277.80x = 243,577,916.70 × 162,385,277.80 - Step 4: Simplify right side
162,385,277.80x = 39,553,467,669,274,760 - Step 5: Solve for x
x = 39,553,467,669,274,760/162,385,277.80 - Step 6: Final answer
x = 243,577,916.70
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1.5x scale
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.