Finding the Fourth Proportional to 134,188,466.80, 201,282,700.20 and 131,920,985.20
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Solution
The fourth proportional to 134,188,466.80, 201,282,700.20 and 131,920,985.20 is: 197,881,477.80
Step by Step Solution
- Step 1: Write the proportion equation
134,188,466.80 : 201,282,700.20 = 131,920,985.20 : x - Step 2: Convert to fraction form
134,188,466.80/201,282,700.20 = 131,920,985.20/x - Step 3: Cross multiply
134,188,466.80x = 201,282,700.20 × 131,920,985.20 - Step 4: Simplify right side
134,188,466.80x = 26,553,412,114,100,236 - Step 5: Solve for x
x = 26,553,412,114,100,236/134,188,466.80 - Step 6: Final answer
x = 197,881,477.80
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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.