Finding the Fourth Proportional to 134,011,662.80, 201,017,494.20 and 120,406,773.20
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Solution
The fourth proportional to 134,011,662.80, 201,017,494.20 and 120,406,773.20 is: 180,610,159.80
Step by Step Solution
- Step 1: Write the proportion equation
134,011,662.80 : 201,017,494.20 = 120,406,773.20 : x - Step 2: Convert to fraction form
134,011,662.80/201,017,494.20 = 120,406,773.20/x - Step 3: Cross multiply
134,011,662.80x = 201,017,494.20 × 120,406,773.20 - Step 4: Simplify right side
134,011,662.80x = 24,203,867,833,371,716 - Step 5: Solve for x
x = 24,203,867,833,371,716/134,011,662.80 - Step 6: Final answer
x = 180,610,159.80
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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.