Finding the Fourth Proportional to 134,011,664.80, 201,017,497.20 and 120,406,775.20
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Solution
The fourth proportional to 134,011,664.80, 201,017,497.20 and 120,406,775.20 is: 180,610,162.80
Step by Step Solution
- Step 1: Write the proportion equation
134,011,664.80 : 201,017,497.20 = 120,406,775.20 : x - Step 2: Convert to fraction form
134,011,664.80/201,017,497.20 = 120,406,775.20/x - Step 3: Cross multiply
134,011,664.80x = 201,017,497.20 × 120,406,775.20 - Step 4: Simplify right side
134,011,664.80x = 24,203,868,596,627,028 - Step 5: Solve for x
x = 24,203,868,596,627,028/134,011,664.80 - Step 6: Final answer
x = 180,610,162.80
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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.