Finding the Fourth Proportional to 101,149,205.80, 151,723,808.70 and 101,149,205.80
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Solution
The fourth proportional to 101,149,205.80, 151,723,808.70 and 101,149,205.80 is: 151,723,808.70
Step by Step Solution
- Step 1: Write the proportion equation
101,149,205.80 : 151,723,808.70 = 101,149,205.80 : x - Step 2: Convert to fraction form
101,149,205.80/151,723,808.70 = 101,149,205.80/x - Step 3: Cross multiply
101,149,205.80x = 151,723,808.70 × 101,149,205.80 - Step 4: Simplify right side
101,149,205.80x = 15,346,742,750,956,128 - Step 5: Solve for x
x = 15,346,742,750,956,128/101,149,205.80 - Step 6: Final answer
x = 151,723,808.70
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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.